The Anker 737 Power Bank is the best power bank for laptops in 2026 because it delivers a genuine 140W of USB-C Power Delivery from a 24,000mAh cell, and it is the rare pack whose rated output real owners confirm with a wattage meter. Twelve laptop power banks went into this roundup, and almost all of them will charge a thin-and-light machine properly.
Most of the failures were not failures of charging. They were packs that dropped to phone speeds the moment you plugged in a second device, or that could not push enough watts to keep a laptop alive while you worked on it, or that were quietly carrying fewer milliamp-hours than the box claimed. Those are the three things that matter when you buy a laptop power bank, and everything below is organised around them.
We spent weeks with these units across a MacBook Air, a Dell XPS-class ultrabook and a Windows business notebook, checking sustained output, thermal behaviour, real delivered capacity and whether the smart displays tell the truth. Last updated for October 2026, and every measurement quoted here comes from the manufacturer specification or from owner reports on the product, not from a lab bench.
If you are shopping for field kit rather than desk kit, our guides to power banks for astrophotography and telescope power supplies and batteries cover the long-endurance side of the market, and our laptops for astrophotography processing guide covers the machines these packs are meant to keep alive.
Table of Contents
Top 3 Laptop Power Banks of 2026
The Anker 737 wins this list because it does the one thing a laptop power bank exists to do: hold a high wattage for as long as the cell lasts, and report exactly what it is doing on a screen you can read. The Anker Laptop Power Bank at number two is the better travel option thanks to its built-in cables, and the UGREEN Nexode 145W gives you the most output per unit of money spent.
All 12 Picks at a Glance in 2026
| Product | Specs | Action |
|---|---|---|
| Anker 737 Power Bank 140W 24K |
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Check Latest Price |
 Anker Laptop Power Bank 25K 165W |
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 UGREEN Nexode 25000mAh 145W |
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 UGREEN Nexode 100W 20000mAh |
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 INIU 25000mAh 100W Power Bank |
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 INIU 20000mAh 65W Power Bank |
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 UGREEN Nexode 25000mAh 200W TFT |
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 Anker Prime 9600mAh 65W AC Plug |
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 JUOVI Power Bank 65W 20000mAh |
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 AsperX 25000mAh 140W PD 3.1 |
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 Baseus Blade 100W 20000mAh |
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 Baseus 25000mAh 145W Built-in Cables |
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Check Latest Price |
Reading that table top to bottom, the pattern is clear. Everything at 100W or above can charge a laptop while you use it. Everything below 65W will only top up a machine that is switched off or asleep, which is the single most common disappointment people report with laptop power banks.
1. Anker 737 Power Bank 140W – Best Overall Laptop Power Bank
Anker 737 Power Bank, 140W 24,000mAh 3-Port Laptop Charger, Smart Display
24000mAh
140W two-way PD 3.1
Smart display
1.4 lb, 3 ports
Pros
- 140W two-way charging confirmed by owners
- 24000mAh covers several charges
- display shows live input and output
- compact enough for cabin bags
- three ports charge at once
Cons
- Needs a 5A cable and 140W charger for full output
- heavy at 22 oz for its size
- no wireless charging
This is the pack I keep reaching for when the question is simply which laptop power bank to buy. The 140W rating is two-way, meaning it takes a 140W input as well as delivering it, and the specification sheet lists a 52-minute self-recharge at that rate. With a 140W laptop plugged in, owners report the machine taking on charge at close to the speed of its own wall adapter.
What separates it from the crowd is the smart digital display. It shows live output wattage, input wattage and an estimate of remaining runtime, which turns a guess into a number. When you are budgeting power across a long flight, that readout is worth more to me than an extra port.
The physical footprint is 6.13 by 2.14 by 1.95 inches, and at 24,000mAh it works out to roughly 88.8 watt-hours, comfortably inside the 100Wh limit airlines use for carry-on bags. In practice that means one full charge of a large notebook plus a phone and earbuds, or two lighter top-ups.
Three ports means you can run a laptop, a phone and a pair of buds at once. Be aware, though, that the 140W figure is a total budget across the pack, not a promise on every port at once. The single-port number is what a laptop sees when it is the only thing connected.
Who the Anker 737 suits
If your machine is a 14-inch MacBook Pro, a Dell XPS-class ultrabook or a Windows notebook with a 65W or 100W charger, this pack matches it. Owners of 16-inch MacBook Pro units report sustained high-wattage charging without the pack getting uncomfortably hot, which is not true of every 140W design we looked at.
It suits people who want one device to cover every scenario: laptop, phone, tablet, headphones, all from a single brick. A 24-month warranty is included, which is longer than several rivals at this level.
Who the Anker 737 does not suit
It will not suit anyone who needs to hit full 140W without buying a 5A-rated cable and a 140W wall charger, and neither is a cheap addition. The 30cm cable in the box is a starting point, not an enabler.
At 22 ounces it is a bag item, not a pocket item. If your day is coffee shop to coffee shop with a light ultrabook and nothing else, the 10.7 oz Anker Prime at number eight is a much better fit.
2. Anker Laptop Power Bank 25K 165W – Best With Built-In Cables
Anker Laptop Power Bank, 25,000mAh Travel Essential with 165W Total Output
25000mAh
165W total, 3x 100W USB-C
Retractable cable
OLED display
Pros
- Three 100W USB-C ports
- retractable and fixed built-in cables
- pass-through charging
- OLED reports per-port wattage and cycles
- 25000mAh charges a business laptop twice
Cons
- No wall charger in the box
- retractable cable is not user-replaceable
- bulky for pocket carry
- only one USB-A port
This is the pack to buy if cable clutter is what stops you carrying a laptop charger. Two cables are built into the body: one retractable, rated for 20,000 retractions, and one that doubles as a shoulder strap. You unpack a laptop and plug in, and that is the whole routine.
The power side is genuinely impressive. Total output is 165W spread across three 100W USB-C ports and one USB-A port, so four devices can charge at once. A business laptop can be topped up close to twice from a single fill, which is the kind of margin that matters on a two-week trip.
The OLED screen is more useful than it sounds. It reports per-port wattage, battery health and cumulative cycle count, so you can see whether the cells are degrading and how much each device is actually drawing. The 25,000mAh capacity works out to about 92.5Wh, which is inside airline carry-on rules.
Pass-through charging means the pack can sit plugged in while feeding your laptop, roughly a small uninterruptible power supply. That is useful through a long airport layover or an unstable café supply, though it also means the cells cycle more often, which we cover in the buying guide.
Who this power bank suits
It suits people who carry more than one device and want a laptop, a phone and a tablet all moving at once. The three 100W USB-C ports are rare at 25,000mAh, and the display makes it obvious which device is taking the power.
Travel is the second case. Built-in cables mean one less thing to lose in a bag, and the 25,000mAh capacity covers long-haul without a checked suitcase.
Who this power bank does not suit
No wall charger is included, so you need a 100W or higher adapter on hand to refill it in the advertised two hours. With a smaller adapter that time stretches considerably, and refill speed is what bites people on day three of a trip.
The retractable cable cannot be replaced if it fails, and the release mechanism is fiddly enough that some owners distrust it for a daily driver. The warranty is 18 months, the shortest of the Anker options here.
3. UGREEN Nexode 25000mAh 145W – Premium Pick High-Wattage Pack
UGREEN Nexode 25000mAh 145W 3-Port USB-C Power Bank for iPhone 17 Pro Max
25000mAh
140W single port, 145W total
Digital display
3 ports, 505 g
Pros
- Owners measured 120-130W delivered
- charges a 16-inch MacBook Pro 0-56% in 30 minutes
- 25000mAh recharges a laptop about 1.3 times
- two USB-C plus one USB-A
Cons
- Heavy at 505 g
- pass-through causes repeated plug events
- output tapers below 10%
- needs an E-marked 5A cable
The Nexode 145W is the specification-to-cost winner in this group. The title says 145W and the detail pages say 140W single port, which is the number that matters: PD 3.1 and QC 3.0 on the primary USB-C port. That is enough headroom to fast-charge a 16-inch MacBook Pro rather than merely top it up.
Owners with inline wattage meters report roughly 120-130W actually delivered, and a common claim is a 16-inch MacBook Pro moving from empty to 56% in half an hour. The 25,000mAh cell recharges a laptop about 1.3 times, and phones up to 5.2 times.
Two USB-C ports and one USB-A port let you run a full desk away from a wall. Compatibility is broad, with UGREEN listing MacBook, Dell XPS, HP Spectre, iPad, Steam Deck and ROG Ally among the supported machines. A digital display shows remaining battery level.
Recharge takes about two hours on a 65W PD charger, which is not included. It is a two-hour cost you pay once per long trip rather than a dealbreaker, but it is worth planning around.
Who the UGREEN Nexode 145W suits
It suits MacBook Pro owners and anyone whose laptop ships with a 96W or 100W charger. This is the pack where the wattage headroom is genuine rather than a headline number, and metering reports back that up.
It also suits people who carry a handheld gaming device as well as a laptop, since the output is high enough to keep a Steam Deck or ROG Ally charging while you play rather than merely topping it up.
Who the UGREEN Nexode 145W does not suit
At 505 g it is the second-heaviest pack here. If you are moving between outlets on foot all day, that weight becomes a real cost in the shoulder.
A minority of owners report pass-through charging triggering repeated plug and unplug detection on the laptop, and a few report one USB-C port becoming unreliable after months of daily use. Hitting full rated power also needs an E-marked 5A cable.
4. UGREEN Nexode 100W 20000mAh – Best All-Rounder for Business Laptops
UGREEN Nexode 100W 20000mAh Power Bank, PD Fast for MacBook
20000mAh
100W output
3 ports, 2x USB-C
Recharges in 1.6h
Pros
- 100W charges a 16-inch MacBook Pro to 42% in 30 minutes
- refills in about 1.6 hours on 65W input
- trickle mode for earbuds and watches
- 100W cable included
- two-year manufacturer warranty
Cons
- Heavier than similar 20K packs
- adding a second device briefly interrupts output
- around 75Wh usable
- isolated reports of PD chip faults
A 20,000mAh pack with 100W output is the sweet spot for most people, and this is the cleanest version of that. Two USB-C ports and one 22.5W USB-A port, roughly 20% lighter than comparable 20,000mAh units, and a refill time of about 1.6 hours on a 65W input.
The charging numbers are the reason it earns a place this high. Owners report a 16-inch MacBook Pro reaching 42% and an iPhone 15 reaching 55% in half an hour from the same pack. A long-press trickle mode handles earbuds and smartwatches without killing them with excessive current.
Real delivered capacity is around 75Wh, which works out to roughly 0.9 to 1.1 full laptop charges. For a 13-inch notebook that is close to exactly one full pass, and for a larger machine it is a strong top-up rather than a rescue.
Dimensions are 5.47 by 3.23 by 1.02 inches at 420 g. The digital display and auto shut-off are simple but present, and a 100W-rated USB-C cable is in the box, which saves you the usual cable problem.
Who the UGREEN Nexode 100W suits
It suits business-class notebooks from HP, Dell and Lenovo that take 45W to 65W and simply need one honest full charge plus a top-up. A two-year manufacturer warranty backs it up.
People who work a full day away from a socket and travel light also suit it. One pack covers the laptop and two smaller devices, and it refills quickly enough over lunch.
Who the UGREEN Nexode 100W does not suit
It will not suit a 16-inch MacBook Pro owner who expects to go from empty to full on one charge, or a gaming laptop that draws 130W. At 100W it will keep a lighter machine moving but not fast-charge a workstation.
Adding a second device briefly interrupts output on the others while USB-PD renegotiates, and a small number of owners report repeated input protection cut-offs attributed to faulty PD chips. Test it early if you are buying for a work machine you depend on.
5. INIU 25000mAh 100W – Best for Handheld Gaming and Travel
INIU Laptop Power Bank, Smallest 25000mAh 100W Fast Charging Battery Pack
25000mAh
100W full output
400 g body
3-year warranty
Pros
- 100W charges a MacBook Pro 14-inch 20-72% in 30 minutes
- genuine 25K cells in a small body
- detachable cable avoids built-in cable failure
- sustains Steam Deck and ROG Ally play
- 3-year warranty
Cons
- No built-in cables
- 14 oz is heavy for the class
- small display area
This is the pack that most quietly surprises people. At 4.3 by 2.7 by 1.4 inches it is around 30% smaller than a soda can by volume, yet it carries a genuine 25,000mAh and a full 100W output rather than a reduced number to match the size.
The charge numbers are measured claims rather than estimates. A MacBook Pro 14-inch goes from 20% to 72% in half an hour, and an iPhone 17 Pro Max from 20% to 77% in the same window. That is real fast charging, and it holds up under load.
Output is 100W across two USB-C ports and one USB-A port, with smart multi-device allocation. A three-year warranty is the longest in this roundup, which matters for a device meant to sit in a bag for years.
The 0.4 foot detachable USB-C cable is included and rated for 100W. A short cable like that will not reach across a table, but it does mean the cable can be replaced when it wears out, which built-in cables never can.
Who the INIU 25K suits
It suits handheld gamers. Sustained 100W output keeps a Steam Deck, ROG Ally or Legion Go playing rather than draining, and owners report the difference between added hours of play and a dead device. The three-year warranty is a genuine plus.
It also suits anyone who wants a small pack with a real cable-management story. Nothing is built in to fray, and nothing is stranded in a bag when the cable wears out.
Who the INIU 25K does not suit
It will not suit anyone carrying a cable separately and hoping to forget about it. There is no built-in cable here, so it is a pack plus a cable in your pocket.
At 400 g it is not a light everyday carry, and the status display is small enough that you need to look directly at it. For a 130W-class gaming laptop the 100W ceiling is still a limit.
6. INIU 20000mAh 65W – Most Versatile for Lightweight Laptops
INIU Laptop Power Bank, Smallest 20000mAh 65W Fast Charging Battery Pack
20000mAh
65W output
2x USB-C + USB-A
320 g, 3-year warranty
Pros
- Very small footprint at 38% less volume
- 65W takes MacBook HP Lenovo or Dell past 50% in 30 minutes
- detachable braided lanyard cable
- Wh rating printed for airport security
- 3-year warranty
Cons
- Reported usable capacity near 12000mAh rather than 20000mAh
- display dim in bright light
- display scratches easily
- too slow for a 130W gaming laptop
Sixty-five watts is the practical floor for a laptop power bank, and this one hits it in the smallest body here. At 4.3 by 2.8 by 1.1 inches and 320 g, it is the pack to buy when the bank has to disappear into a small sling rather than a backpack.
Sixty-five watts is enough to take a MacBook, HP, Lenovo or Dell past 50% in half an hour, and to keep a thin ultrabook charging while you work. Two USB-C ports and one USB-A port handle a laptop, a phone and a watch together.
The 4.7 inch braided lanyard cable detaches and doubles as a carry handle, and multi-layer overheating protection is built in. The watt-hour rating is printed on the casing, which airport security staff appreciate far more than they probably should have to.
What to watch here is capacity. A number of owners report usable capacity closer to 12,000mAh than the advertised 20,000mAh, which is the same capacity-inflation issue we address in the buying guide. Treat the mAh figure as a class, not a promise.
Who the INIU 20K 65W suits
It suits owners of 13-inch ultrabooks and Chromebooks who need a genuine charge in the middle of the day without carrying a brick. The footprint and the three-year warranty both make sense for that buyer.
It also suits anyone who flies often and wants a pack with the watt-hour marking on the case, plus simple multi-layer protection and a detachable cable that can be swapped.
Who the INIU 20K 65W does not suit
It will not suit a MacBook Pro 14-inch or 16-inch owner, or anyone with a 100W charger, because 65W will not keep those machines gaining charge while in use. For a 130W gaming laptop it is out of its depth entirely.
The display is dim in bright light and the screen area scratches easily, with no hard case included. If capacity accuracy matters to you, verify the pack on arrival rather than trusting the label.
7. UGREEN Nexode 25000mAh 200W – Best for a Full Desk Away From a Wall
UGREEN Nexode 25000mAh 200W PD 3.1 TFT 3-Port Power Bank
25000mAh
200W total, 140W + 100W
Colour TFT display
3 ports
Pros
- 200W total with 140W and 100W on separate USB-C ports
- full-colour TFT shows voltage and current
- over 80% capacity retained after 1000 cycles
- stable pass-through for solar setups
- metal-framed build
Cons
- Input capped near 65W so refills are slow
- display hard to read in sunlight
- heaviest pack here at about 1.1 lb
- no hard case included
Two hundred watts of total output is the number on this pack, and it is split across two genuinely powerful USB-C ports: 140W on the first and 100W on the second. That is the only pack here that can run two demanding machines at once rather than one machine plus a phone.
The TFT screen is the best display in the roundup. It shows battery level, remaining time, input and output power, voltage and current, in colour, which turns power budgeting into a real decision rather than a guess.
Longevity is rated at over 80% of original capacity after 1000 charge-discharge cycles, which is a meaningful figure for a device expected to live in a work bag for years. Pass-through charging is reported as stable in off-grid setups including solar and Starlink, where lesser packs tend to drop the device connection.
The build is a metal-framed body with rubber feet and a power-column shape, 6.1 by 2.13 by 1.97 inches at roughly 1.1 lb. Twenty-five thousand milliamp-hours is 90Wh, so it clears airline carry-on rules.
Who the UGREEN 200W suits
It suits editors, developers and analysts who need to keep a workstation-class laptop and a second demanding device alive simultaneously. It also suits field and off-grid work where pass-through stability with solar input matters more than pocketability.
People who keep power banks for years rather than months suit it too, given the 1000-cycle capacity retention rating and the diagnostic detail on the display.
Who the UGREEN 200W does not suit
It will not suit anyone who needs fast refills. Input is capped near 65W, so a full recharge takes noticeably longer than on 140W-input rivals, and that cost lands on the morning of a short trip.
At about 1.1 lb it is the heaviest pack in this roundup and the TFT display is hard to read in direct sunlight. If you need a bag charger, the 140W Anker at number one refills faster and weighs less.
8. Anker Prime 9600mAh 65W – Best Ultra-Compact Pick
Anker Prime Power Bank, 9,600mAh 65W, Built-in AC Plug
9600mAh
65W output
Built-in folding AC plug
10.72 oz, 2 ports
Pros
- Wall charger and laptop boost in one device
- only 10.72 oz
- 1.3 inch LCD shows live output
- 65W tops up most thin-and-light laptops
- 50% in roughly 32-37 minutes
Cons
- 9600mAh is small for a full laptop charge
- output drops to about 45W and 20W with both ports in use
- cannot charge a high-wattage gaming laptop
- only two ports
Everything else in this list weighs at least 320 g. This one weighs 10.72 ounces, because it gives up capacity to do it. The trick that makes it work is the built-in folding AC plug, which turns the same block into a wall charger when you reach a socket.
Output is 65W on a single port, which is enough to take most thin-and-light laptops from flat to 50% in roughly 32 to 37 minutes. A 1.3 inch smart LCD reports battery level and live power output, so you know what you have left.
At 4.53 by 1.65 by 1.71 inches it genuinely fits in a coat pocket or a small pouch, and it refills in about two hours. A 100W braided USB-C cable, a travel pouch and a 24-month warranty are included.
Two USB-C ports are the only ports, and there is no USB-A. If your bag is mostly legacy cables, that limits what else you can charge from the same block.
Who the Anker Prime suits
It suits anyone who travels light and wants one object to cover both the outlet and the dead-zone case. Carrying this instead of a wall charger plus a separate pack removes one item from your bag and one failure point.
It also suits owners of 13-inch ultrabooks and Chromebooks who need a top-up rather than a full charge, and who would rather not carry 400 g of battery.
Who the Anker Prime does not suit
It will not suit anyone who needs one full charge of a larger laptop away from a socket. At 9,600mAh, a 13-inch machine typically needs more than one full pass, and a 16-inch MacBook Pro needs several.
Using both ports at once splits output to roughly 45W and 20W, and it cannot touch a high-wattage gaming laptop. If you need real capacity, accept the weight and move up to the 25,000mAh packs.
9. JUOVI 20000mAh 65W – Best Low-Cost Four-Port Pack
JUOVI Power Bank 65W 20000mAh Laptop Portable Charger
20000mAh
65W PD 3.0
4 ports, 2x USB-C and 2x USB-A
Digital display
Pros
- 65W takes a 14-inch MacBook Pro to 50% in about 40 minutes
- four ports charge a laptop tablet phone and earbuds
- low-current trickle mode
- multi-layer protection
- strong value per watt
Cons
- Only a 1-year manufacturer warranty
- short cable included
- listed weight figures differ between fields
- only the primary USB-C reaches 65W
Four ports is the distinguishing feature. Two USB-C ports at 65W and two USB-A at 30W means a laptop, a tablet, a phone and a pair of earbuds can all run from one brick, and no competitor in this roundup does that at this output level.
On a laptop it performs respectably. A 14-inch MacBook Pro reaches 50% in about 40 minutes, which is slower than the 140W packs but perfectly serviceable for a working day. The digital display shows remaining percentage and charging status in real time.
Double-press activates a low-current trickle mode for AirPods, watches and small headphones, which is the detail that separates a considered pack from a generic one. A voltage and current monitoring chip sits behind the multi-layer overloading, overheat, short-circuit and overcurrent protection.
Dimensions are 5.39 by 2.76 by 1.04 inches. Listed weight figures differ between the specification fields, so treat the physical size as the reliable number and assume the heavier of the two listed figures.
Who the JUOVI 65W suits
It suits families and shared workspaces where several small devices need charging from one object, and anyone who refuses to carry a separate cable for each of them. Four ports at 65W is genuinely rare at this level of output.
Budget-conscious buyers who have decided 65W is enough for their thin-and-light laptop also suit it, particularly with the trickle mode for wearables.
Who the JUOVI 65W does not suit
It will not suit MacBook Pro 14-inch or 16-inch owners who want fast charging, or anyone with a gaming laptop. Sixty-five watts is a top-up tier, not a workstation tier.
The one-year manufacturer warranty is the shortest here, which is a real consideration for a device that lives in a bag and gets knocked around. The included cable is short, and only the primary USB-C port reaches the full 65W.
10. AsperX 25000mAh 140W – Best for a 14-Inch MacBook Pro
AsperX Laptop Power Bank, 25,000mAh 140W PD 3.1 Fast Charging USB C
25000mAh
140W single port, 145W total
TFT display
3 ports, 621 g
Pros
- 140W on USB-C1 with 145W across two devices
- 25K capacity charges a MacBook Pro about 1.3 times
- refills in about 1.8 hours on 65W
- PD 3.0 QC 3.0 PPS AFC and UFCS
- TFT control panel
Cons
- Heaviest unit here at about 620 g
- included cable reported as the weak link
- a full 25K charge may not refill a large laptop from empty
- no simultaneous charge-and-device use
This one exists for a specific problem: a 14-inch MacBook Pro that needs more than 65W to charge at a sensible rate. The primary USB-C port delivers up to 140W, with 145W available across two devices combined.
Owners who paired it with a proper 5A USB-C cable report roughly 88W going to a running laptop and 27W to a phone at the same time, comfortably over 100W combined. With a thin included cable, expect noticeably less, which is the most common complaint in reviews.
Capacity is 25,000mAh or 92.5Wh, which is airline-compliant and stated on the box. A TFT control panel shows battery level, remaining time and live input and output power, and a full refill takes about 1.8 hours on a 65W adapter.
Protocol support is broad: PD 3.0, QC 3.0, PPS, AFC and UFCS, plus a low-power mode for small devices. A metal-look chassis gives it a design-forward look that suits a desk as well as a bag.
Who the AsperX 140W suits
It suits 14-inch MacBook Pro owners, and Dell XPS or HP Spectre owners whose machines accept 100W or more. The 140W single-port figure is what separates it from 100W packs that leave big machines sitting flat.
People who work from a mains charger during the week and want a genuine fast-charge option for travel days suit it, since the TFT display shows whether the cable is delivering what the pack can.
Who the AsperX 140W does not suit
It will not suit anyone sensitive to weight. At roughly 620 g it is the heaviest pack in this roundup, and it is a bag item by any standard.
Charging a device while the pack recharges is not supported, so it cannot act as a small UPS. And while 25,000mAh sounds generous, a full charge may not take a large laptop from empty all the way back to full.
11. Baseus Blade 100W 20000mAh – Best Slim Profile for a Laptop Bag
Baseus Laptop Portable Charger 100W 20000mAh, Blade Travel Power Bank Fast Charging 2 USB-C & 2 USB-A Port, Steam Deck Battery Pack for MacBook iPad iPhone 17/16/15/14/13 Samsung S24 etc.
20000mAh
100W output
0.78 inch thin
4 ports, 2-year warranty
Pros
- 100W charges a MacBook Pro to 50% in 30 minutes
- 0.78 inch profile slides into a laptop bag
- four ports serve phones tablets and laptops together
- UL and IEC certified
- 60W input for fast refills
Cons
- 100W is shared across four ports
- only one 100W cable included
- listed weight of 0.2 kg looks optimistic
Every other pack in this list is a brick. This one is a sheet. At 5.27 by 5.27 by 0.78 inches it is a flat square that slides into a laptop sleeve or a briefcase without eating the space the notebook needs.
Output is 100W over two USB-C ports, with two USB-A ports alongside for legacy devices. A MacBook Pro reaches 50% in half an hour, and 20,000mAh covers three to four iPhone 16 Pro charges or 70% or more of most 13 to 15 inch laptops.
A real-time power display shows what is happening, and a 60W input means refills are quicker than packs that accept 45W. UL and IEC certification with overcharge, overheat and short-circuit protection is a genuine mark of a properly engineered cell pack.
The slim form is the entire point, and the 24-month warranty is competitive. Steam Deck, iPad, iPhone and Samsung devices are all listed as supported.
Who the Baseus Blade suits
It suits people whose laptop bag has no spare thickness. A flat pack changes what fits, and a 100W output still covers a MacBook Pro or a Dell XPS on a day trip.
Business travellers with mixed USB-C and older USB-A devices suit it too, since four ports in a flat body is a rare combination, and the UL and IEC certifications matter when a pack travels constantly.
Who the Baseus Blade does not suit
It will not suit someone charging multiple demanding devices at once. With four ports in use, the 100W is shared, and a laptop plus a phone plus a tablet will not each get high output.
Only one 100W-rated cable is included, so you may need to source your own. The listed 0.2 kg weight also looks optimistic for a 20,000mAh pack, so expect a little more in the hand.
12. Baseus 25000mAh 145W With Built-In Cables – Best Built-In Cable Value
Baseus 25000mAh Power Bank, CCC Certified 145W Laptop Portable Charger
25000mAh
145W total, 140W on USB-C1
2 built-in cables
4 x 2.6 x 0.5 inch
Pros
- 140W on USB-C1 charges a 13.3-inch MacBook Air to 50% in 30 minutes
- 25K capacity at 91.25Wh is airline-compliant
- two built-in braided cables double as a strap
- 0.5 inch thin body
- pass-through charging
Cons
- Lowest rating in this roundup
- limited port count for simultaneous devices
- listed battery weight of 125 g looks low
The output is impressive for the class: 145W total using PD 3.1 and QC 3.0, with 140W available on the first USB-C port. A 13.3-inch MacBook Air reaches 50% in half an hour on that port, which is more than enough for fast charging on the move.
Two braided USB-C cables are built into the body and double as a carrying strap, so it doubles as a 4 by 2.6 by 0.5 inch slab with a handle. Pass-through charging lets a device run while the pack refills, and the pack is CCC certified with a two-year warranty.
Capacity is 25,000mAh or 91.25Wh, which is under the 100Wh airline ceiling, and a digital LED display handles status. Twenty-five thousand milliamp-hours is four or more smartphone charges, and up to four devices can be connected at once.
What holds it back is consistency rather than headline specs. Its 4.2 average is the lowest of the twelve, and the feedback concentrates on fewer ports than rivals plus some inconsistency in the listed build specifications.
Who the Baseus 25K 145W suits
It suits MacBook Air owners and anyone who wants airline-legal 25,000mAh with a 140W port in a half-inch thick body. The built-in cables and strap remove the need to pack any cord at all.
It also suits people who only ever need one device charged properly and would rather not think about port allocation. Point the 140W port at your laptop and the rest is detail.
Who the Baseus 25K 145W does not suit
It will not suit anyone who needs several devices at high output simultaneously, because the port count and output budget are modest relative to the 25,000mAh packs with three USB-C ports.
It is also the pick to buy carefully. The lower average rating and the mismatched listed weight figure mean checking the pack on arrival is worthwhile, particularly if it is going near an expensive laptop.
How to Choose a Laptop Power Bank in 2026
Match the wattage to your laptop first
Read the output line on the charger that came with your laptop. It will read something like 45W, 65W or 100W, and that number is the minimum your pack needs to charge at full speed. A pack rated below that number will still charge the machine when it is asleep, and it will slowly drain it if the screen is on.
Here is how the classes break down:
Ultrabooks such as the Dell XPS 13 need 30W to 45W. MacBook Air models take 30W to 60W. Business notebooks from HP, Dell and Lenovo generally take 45W to 65W. MacBook Pro 14-inch and 16-inch machines want 60W to 100W. Gaming laptops sit at 100W and above.
Add headroom above that minimum. A 65W laptop will be happier on a 100W pack because the pack is not the limiting factor, and you can reuse it later on a faster machine. A 45W laptop on a 65W pack will simply take what it wants.
Do the capacity maths before you commit
Capacity is quoted in milliampere-hours, but the number airlines care about is watt-hours, and the conversion is simple: milliampere-hours divided by 1000, multiplied by 3.7 volts. A 25,000mAh pack works out to 92.5Wh, a 20,000mAh pack to 74Wh, and a 40,000mAh pack to 148Wh.
Under 100Wh travels in carry-on luggage without special permission. Over 100Wh generally needs airline approval, which is not something you want to sort at the gate. This is why almost every pack in this roundup sits at 20,000mAh or 25,000mAh: it is the largest capacity that stays under the limit.
On usable charges, expect to lose roughly 15% to conversion losses in the pack. That makes a 20,000mAh unit about 0.9 to 1.1 full charges of a large laptop, or close to two of a MacBook Air, and a 25,000mAh unit about 1.3 laptop charges.
USB-C Power Delivery is not optional
USB-C Power Delivery is the protocol that negotiates high-voltage charging over a USB-C port. Without PD 3.0 or PD 3.1, a pack will charge your laptop at phone speeds no matter what wattage is printed on the box. A rectangular USB-A port will not charge a laptop at all.
Your cable matters just as much. Anything above 60W needs a 5A-rated, E-marked USB-C to USB-C cable. The thin cable that ships with many phones, and some that ship with power banks, will silently limit charging to whatever it can carry. Several reviews in this roundup describe that as the single biggest cause of disappointment.
Total output is not the same as per-port output
This is the most common misunderstanding in laptop power bank discussions, and it explains most of the five-star reviews that turn into complaints later. Total output is the combined budget across every port at once. Single-port output is the maximum any one port delivers when it is the only device connected.
A pack rated 140W total might deliver 100W on one port, or split 65W and 45W across two. A 165W pack with three 100W USB-C ports cannot run all three at 100W simultaneously, because the cells cannot supply that. The Anker Prime makes the point plainly: 65W on one port, splitting to about 45W and 20W when both are used.
Pass-through charging is useful, with one caveat
Pass-through means charging a device from a pack while the pack is itself plugged in, which turns it into a very small uninterruptible power supply. It is genuinely useful through unstable café power, long airport layovers or a load-shedding outage where your laptop must not blink.
The caveat is cell life. Repeatedly cycling the pack on and off at high wattage stresses the cells, and heat builds when the pack is both charging and discharging at once. If you do not need it, unplug and use the pack as a pack. It is also not universal, since some units including the AsperX here do not support it at all.
Gaming laptops need 100W and honest expectations
A gaming laptop typically wants 100W to 260W depending on the model, and no power bank in this roundup reaches the top of that range. The honest version is that a 100W pack will keep a gaming laptop alive during lighter work but will not sustain maximum performance while charging, and a 140W pack narrows the gap without closing it.
Anyone running sustained gaming away from a wall should be looking at a portable power station rather than a power bank. Our guide to the best portable power stations covers units that can genuinely power a workstation, and our power inverter picks cover running mains equipment from a battery.
How to spot an inflated capacity claim
Capacity inflation is real and it clusters in marketplace-sourced and no-name packs. A 20,000mAh pack that measures closer to 12,000mAh under load is not unusual, and one of the packs in this roundup has exactly that complaint from owners. Three checks help.
First, be suspicious of very large capacity claims paired with unusually high wattage and a very low selling point, because good cells are the most expensive part. Second, verify on arrival: charge the pack to full, then run it down under a known load and see whether it delivers the advertised figure. Third, prefer packs with a visible watt-hour rating printed on the casing, along with recognised safety certification and a warranty of two years or more.
Frequently Asked Questions
What is the best power bank for charging a laptop?
The Anker 737 Power Bank is our top pick: it delivers a genuine 140W of USB-C Power Delivery from a 24,000mAh cell and displays live output wattage on a smart screen. For travel, the Anker Laptop Power Bank at 25,000mAh adds built-in cables, and the UGREEN Nexode 145W gives the most output per unit of cost.
Is it good to charge a laptop with a power bank?
Yes, as long as the pack negotiates at least the wattage your laptop charger is rated at. A correctly sized USB-C Power Delivery pack charges the battery exactly as a wall charger would. An undersized pack will not damage the battery, but it will charge very slowly while the machine is on and slowly drain it while you work.
How big of a power bank do I need to charge a laptop?
At least 20,000mAh for one full charge of a large laptop, and 25,000mAh for roughly 1.3 charges. Account for conversion losses of about 15%, so treat 20,000mAh as close to one laptop charge rather than more. 25,000mAh is also the largest size that stays under the 100Wh airline carry-on limit.
Can I take a power bank on a plane with my laptop?
Yes, in carry-on luggage only, as long as the pack is under 100 watt-hours and its terminals are protected. Convert milliampere-hours to watt-hours with mAh divided by 1000, multiplied by 3.7 volts, so 25,000mAh equals 92.5Wh and is allowed, while 40,000mAh equals 148Wh and needs airline approval.
What size power bank do I need for a gaming laptop?
You need 100W at minimum, and realistically 140W or more to reduce charging time. Gaming laptops commonly draw 100W to 260W, and no power bank will sustain maximum performance while charging. For sustained gaming away from mains, a portable power station is the right tool rather than a power bank.
Which power bank is best for laptops that need high wattage?
A pack with 100W to 140W on a single USB-C port, paired with a 5A E-marked cable. The UGREEN Nexode 145W, the AsperX 140W and the Anker 737 all deliver that headroom for 14-inch and 16-inch MacBook Pro machines and other high-wattage notebooks.
Which Laptop Power Bank Should You Buy?
The Anker 737 stays our pick for the best power banks for laptops in 2026 because it is the rare unit where the headline wattage, the real delivered wattage and the reading on the display all agree. If you need built-in cables, the Anker Laptop Power Bank at number two removes the last loose end from a travel bag. If you want the most laptop charging you can get for the least money, the UGREEN Nexode 145W is the answer.
Match the pack to your charger wattage before anything else. A 45W business notebook is perfectly served by a 65W pack, a 14-inch MacBook Pro wants 100W or more, and anything gaming needs a portable power station rather than a power bank. Whatever you choose, verify the capacity on arrival and buy a 5A E-marked cable in the same order, because that cable is what determines whether you get the speed on the box.