Best of
The Best Power Banks (2027)
The best power banks for 2027, from 200W laptop bricks to slim magnetic iPhone packs, ranked on capacity, wattage, ports and real pocketability.
The short answer
For most travellers the right power bank is a 20,000mAh pack with at least one strong USB-C port. Laptop owners should buy wattage first: the Anker 737 at 140W or the Anker Prime 20K at 200W total for two laptops, with the UGREEN Nexode 25,000mAh as the biggest reserve. Phone-only buyers get more for less from the Anker PowerCore 10K, the INIU P50 at 45W, or the UGREEN Uno 30W, and iPhone owners who hate cables should look at the magnetic Anker MagGo Slim at 15W wireless.
Our top picks at a glance
- Anker Anker 737 Power Bank (PowerCore 24K)The 140W laptop pack with a live display, in a body small enough to justify carrying every day.Best overall
- Anker Anker Prime Power Bank 20,000mAh 200WTwo laptops at 100W each from one pack, with a display that reads like an instrument panel.Best for two laptops
- UGREEN UGREEN Nexode Power Bank 25,000mAh 200WThe biggest capacity here with a TFT display, built for a laptop plus everything else in the bag.Biggest capacity
- Baseus Baseus EnerFill FC41 100W Power Bank 20,000mAhTwo built-in USB-C cables and 100W output mean the cable bag can stay home.Best cable-free travel pack
- UGREEN UGREEN Nexode 100W Power Bank 20,000mAhThe value laptop pack: 100W for a MacBook, 65W refills, and a display, without flagship pricing.Best value laptop pack
The picks, ranked
| # | Product | Award | Capacity | Max output | Ports | Display | Size |
|---|---|---|---|---|---|---|---|
| 1 | Anker Anker 737 Power Bank (PowerCore 24K) | Best overall | 24,000mAh (maker rating) | 140W, Power Delivery 3.1 | 2 x USB-C, 1 x USB-A | Smart digital display with power and recharge estimates | 6.1 x 2.1 x 1.9 in |
| 2 | Anker Anker Prime Power Bank 20,000mAh 200W | Best for two laptops | 20,000mAh, 72Wh (maker cell math) | - | - | - | 4.99 x 2.15 x 1.95 in |
| 3 | UGREEN UGREEN Nexode Power Bank 25,000mAh 200W | Biggest capacity | 25,000mAh, 90Wh | - | - | - | 6.1 x 2.1 x 1.9 in, about 1.3 lb |
| 4 | Baseus Baseus EnerFill FC41 100W Power Bank 20,000mAh | Best cable-free travel pack | 20,000mAh, 73Wh | 100W | - | - | 5.98 x 2.59 x 1.02 in |
| 5 | UGREEN UGREEN Nexode 100W Power Bank 20,000mAh | Best value laptop pack | 20,000mAh | 100W via USB-C1 | 2 x USB-C, 1 x USB-A | - | - |
| 6 | Anker Anker 335 Power Bank (PowerCore 20K) | Best family pack | 20,000mAh | 22.5W | 2 x USB-A, 1 x USB-C | - | 6.57 x 3.28 x 0.96 in |
| 7 | Anker Anker PowerCore 10K Portable Charger | Best everyday slim pack | 10,000mAh | - | - | - | 5.99 x 2.81 x 0.61 in |
| 8 | INIU INIU P50 Pocket Rocket 10,000mAh 45W Power Bank | Best pocket 45W pack | 10,000mAh | - | - | - | 3.3 x 2.0 x 1.0 in |
| 9 | Anker Anker Nano Power Bank 5,000mAh with Built-in USB-C Connector | Best emergency pack | 5,000mAh | - | - | - | - |
| 10 | Anker Anker 321 MagGo Battery (PowerCore Magnetic 5K) | Best budget magnetic pack | 5,000mAh | - | - | - | 3.70 x 2.50 x 0.59 in |
| 11 | Anker Anker 622 Magnetic Battery (MagGo) | Best magnetic pack with a stand | 5,000mAh | - | - | - | 4.13 x 2.62 x 0.50 in |
| 12 | Anker Anker MagGo Power Bank (10K, Slim) | Best magnetic pack overall | 10,000mAh | - | - | - | 4.09 x 2.78 x 0.58 in |
Best overall
Anker Anker 737 Power Bank (PowerCore 24K)
The 140W laptop pack with a live display, in a body small enough to justify carrying every day.
Strengths
- 140W max output over Power Delivery 3.1, enough for most USB-C laptops as well as phones and tablets
- 24,000mAh capacity, rated by Anker at about 4.13 iPhone 16 Pro charges or 1.33 charges for a 2024 13-inch iPad Pro
- Smart digital display reports output and input power plus an estimated recharge time, instead of four vague dots
- Two USB-C ports plus one USB-A port, so three devices can charge at once on a trip
Limitations
- At about 22 oz it is a bag item, not a pocket item, and it will dominate a small sling
- Full 140W output needs a 5A USB-C cable and a 140W charger for recharging, neither of which is a given in a hotel drawer
- The premium tier buys wattage and a display that a phone-only traveller will never use
What owners report
Most praised
- The display ends the guessing about how much charge is left and how fast a laptop is actually drawing
- It keeps a laptop going through a full flight while a phone tops up beside it
- The brick shape slides into a laptop sleeve pocket without the cable spaghetti of older packs
Common complaints
- Owners notice the weight the moment they move it from a backpack to a jacket pocket
- Recharging it at full speed demands a charger and cable many buyers did not already own
- The top modes of output are wasted on phones that cap out far below 140W
| Capacity | 24,000mAh (maker rating) |
|---|---|
| Max output | 140W, Power Delivery 3.1 |
| Ports | 2 x USB-C, 1 x USB-A |
| Display | Smart digital display with power and recharge estimates |
| Size | 6.1 x 2.1 x 1.9 in |
| Weight | About 22 oz (maker listing) |
Best for: Laptop travellers who want one pack for a MacBook, a tablet and a phone, with a display that shows what is happening.
Skip if: You only charge a phone; this is a 22 oz brick and a 10,000mAh pack does the same job in a jacket pocket.
Best for two laptops
Anker Anker Prime Power Bank 20,000mAh 200W
Two laptops at 100W each from one pack, with a display that reads like an instrument panel.
Strengths
- 200W total output across two USB-C ports and one USB-A port, with each USB-C port able to deliver 100W
- 100W input refills the pack quickly, with the listing quoting about 50 minutes on a suitable charger
- Smart digital display shows remaining capacity plus live input and output per port
- 20,000mAh at 72Wh stays under the 100Wh airline carry-on threshold, per Anker's own cell math
Limitations
- No wall charger is included, so the headline refill speed assumes a 100W charger you buy separately
- At 1.15 lb it is heavier than every phone-first pack here, and the premium price follows the wattage
- This version has no charging base; the dock is a separate purchase for owners who want drop-on recharging
What owners report
Most praised
- Running two laptops at once without either dropping to trickle speed is the trick owners keep describing
- The per-port wattage readout settles arguments about whether a cable or a charger is the bottleneck
- Steam Deck owners use it as a dockside battery that outlasts the handheld's own cell by hours
Common complaints
- The missing wall charger surprises buyers who expected a complete kit at the premium price
- Its weight earns comments from travellers who packed it as a pocket item instead of a bag item
- The display's early percentage readings can look pessimistic until the pack has been through a few full cycles
| Capacity | 20,000mAh, 72Wh (maker cell math) |
|---|---|
| Total output | 200W max |
| USB-C output | 100W max per USB-C port |
| USB-A output | 65W max (listing comparison) |
| Recharge input | 100W max via USB-C |
| Size | 4.99 x 2.15 x 1.95 in |
Best for: Two-device professionals and Steam Deck travellers who need twin 100W USB-C outputs and fast refills.
Skip if: Your heaviest device is a phone; 200W of total output is capacity you will pay for and never draw.
Biggest capacity
UGREEN UGREEN Nexode Power Bank 25,000mAh 200W
The biggest capacity here with a TFT display, built for a laptop plus everything else in the bag.
Strengths
- 25,000mAh capacity at 90Wh, still inside the 100Wh carry-on limit for cabin baggage
- 200W total output, with USB-C1 at up to 140W and USB-C2 at up to 100W when used together
- TFT smart display shows battery level, remaining time, voltage, current and per-port power
- Three ports cover a laptop, a phone and a low-power device such as earbuds at the same time
Limitations
- The combined 200W figure needs both USB-C ports in play; a single device sees at most 140W
- At 6.1 inches long it is one of the longest packs here and needs a real bag pocket
- Its USB-A port tops out at 22.5W, so older wired accessories charge far slower than the USB-C pair
What owners report
Most praised
- The TFT screen makes it easy to see which port is actually delivering power during a multi-device charge
- It carries a laptop, a phone and earbuds through a long travel day without a second pack
- Owners moving from a 10,000mAh pack describe the extra capacity as the end of outlet hunting
Common complaints
- The length and weight draw remarks from buyers who expected a phone-sized pack
- Splitting output across three devices means no single port keeps its headline wattage
- The display invites constant checking, which makes slow final-percentage charging feel slower
| Capacity | 25,000mAh, 90Wh |
|---|---|
| Total output | 200W max across two USB-C ports |
| USB-C1 output | 140W max |
| USB-C2 output | 100W max |
| USB-A output | 22.5W max |
| Size | 6.1 x 2.1 x 1.9 in, about 1.3 lb |
Best for: Heavy travellers and creators carrying a laptop, a phone and a camera who want one 25,000mAh reserve.
Skip if: You travel light with one phone; 25,000mAh at about 1.3 lb is a commitment, not a convenience.
Best cable-free travel pack
Baseus Baseus EnerFill FC41 100W Power Bank 20,000mAh
Two built-in USB-C cables and 100W output mean the cable bag can stay home.
Strengths
- 100W max output, with the maker quoting a MacBook Air 13 at 50% in 30 minutes on a single port
- Two built-in USB-C cables double as a carrying strap, plus a separate USB-C port and a USB-A port
- 65W input refills the pack in about two hours on a suitable charger, per Baseus
- Smart display shows remaining battery as a percentage instead of a row of dots
Limitations
- With all four outputs in use, one cable keeps up to 65W while the rest share only 15W between them
- The built-in cables are short by design, so a phone on a table and a pack in a bag need a separate lead
- At 428g it is a jacket-pocket stretch, even though the slab shape packs well
What owners report
Most praised
- Leaving the cable pouch behind is the benefit owners mention first, especially on short trips
- The percentage display replaces the old ritual of shaking the pack and guessing from blinking lights
- It charges a laptop and a phone together on a train table without hunting for an outlet
Common complaints
- Owners charging a full family of devices find the shared-output limit the hard way
- The short built-in cables frustrate anyone who charges a phone while the pack sits in a backpack
- The off-white finish shows pocket and bag grime faster than a dark pack does
| Capacity | 20,000mAh, 73Wh |
|---|---|
| Max output | 100W |
| Max input | 65W via USB-C |
| Outputs | 2 built-in USB-C cables, 1 USB-C port, 1 USB-A port |
| Size | 5.98 x 2.59 x 1.02 in |
| Weight | 428g (maker spec) |
Best for: Travellers who hate carrying cables and want laptop-capable 100W output in a slim 20,000mAh body.
Skip if: You charge four devices at once regularly; with every output in use the shared power drops sharply.
Best value laptop pack
UGREEN UGREEN Nexode 100W Power Bank 20,000mAh
The value laptop pack: 100W for a MacBook, 65W refills, and a display, without flagship pricing.
Strengths
- 100W max output from the primary USB-C port, with a 5A cable included for full-speed laptop charging
- 65W input refills the pack in about 1.6 hours, per the listing, far faster than old 18W bricks
- Digital display keeps remaining capacity visible without a companion app
- Second USB-C port at up to 30W and a 22.5W USB-A port cover a phone and earbuds beside the laptop
Limitations
- Only the first USB-C port reaches 100W, so plugging the laptop into the wrong port quietly halves its charge rate
- A regular 3A USB-C cable caps laptop charging at 60W, which buyers blame on the pack before the cable
- At 20,000mAh it is still a bag pack, and it will not fully refill a large laptop battery from empty
What owners report
Most praised
- Buyers call out the included 100W cable as the detail that makes the headline wattage real on day one
- It revives a laptop on a layover fast enough that the airport outlet hunt stops mattering
- The display plus the slim-for-20,000mAh body makes it the pack owners actually carry daily
Common complaints
- Plugging into the second USB-C port by mistake and getting slow charging is a recurring owner story
- Using an older cable from a drawer silently limits the laptop charge and confuses first-time users
- It runs warm during sustained 100W output, which owners notice when it sits against a leg in a bag
| Capacity | 20,000mAh |
|---|---|
| Max output | 100W via USB-C1 |
| USB-C2 output | 30W max |
| USB-A output | 22.5W max |
| Recharge input | 65W max, about 1.6 hours full (listing) |
| Ports | 2 x USB-C, 1 x USB-A |
Best for: Laptop owners who want 100W output and a quick refill but do not need 140W or 200W totals.
Skip if: You run a 16-inch performance laptop at full tilt; 100W is a sustain charge, not a full-speed feed for the hungriest machines.
Best family pack
Anker Anker 335 Power Bank (PowerCore 20K)
The plain, dependable 20,000mAh family pack: three ports, no display drama, no laptop pretensions.
Strengths
- 20,000mAh capacity, rated by Anker at over 4 iPhone 13 charges or over 3 Galaxy S22 Ultra charges
- Three ports, two USB-A and one USB-C, charge a phone, earbuds and a watch at once
- Maker-quoted iPhone 13 charge to 50% in 37 minutes on the fast port keeps top-ups practical
- Simple LED-free approach with a familiar brick shape that survives bag life without fuss
Limitations
- 22.5W max output will not meaningfully charge a USB-C laptop, and tablets charge slowly
- At 6.57 inches long and 1.07 lb it is a big slab for a phone-only pack
- Recharging a 20,000mAh pack through a modest input takes patience, so overnight refills are the norm
What owners report
Most praised
- Families keep it in a shared bag because three ports end the nightly argument over the one charger
- It quietly covers a long weekend of phones without ever visiting a wall outlet
- Owners praise the lack of gimmicks: it charges, it lasts, and it does not demand attention
Common complaints
- Buyers who assumed any 20,000mAh pack charges a laptop are disappointed by the slow tablet and laptop speeds
- The long slab shape fits awkwardly in small jacket pockets and cup holders
- Refilling the pack itself feels slow after the convenience of its multi-day phone output
| Capacity | 20,000mAh |
|---|---|
| Max output | 22.5W |
| Ports | 2 x USB-A, 1 x USB-C |
| Model | A1288 (335 Power Bank) |
| Size | 6.57 x 3.28 x 0.96 in |
| Weight | 1.07 lb (listing) |
Best for: Families and phone-first travellers who want days of phone charges from one inexpensive brick.
Skip if: You need to charge a laptop or a tablet at full speed; 22.5W max is a phone and earbuds pack, not a laptop pack.
Best everyday slim pack
Anker Anker PowerCore 10K Portable Charger
The slim 10,000mAh default: two iPhone charges in a body that actually fits a pocket.
Strengths
- Slim 0.61-inch body at 8.6 oz, one of the thinnest 10,000mAh packs in this guide
- Two-way USB-C port handles both charging a device and refilling the pack
- Maker-quoted capacity covers about 2 iPhone 15 charges, 1.93 Galaxy S23 charges or 1.23 iPad mini 6 charges
- Scratch-resistant build certified by a 3.2 ft drop test, per the listing, suits bag life
Limitations
- USB-C at 5V/3A is a 15W-class port, so modern phones charge at a steady rather than rapid pace
- No display means remaining charge is a guess from indicator lights
- One device at a time is the realistic use; it is not a family charging station
What owners report
Most praised
- The slim shape is why it stays in a pocket instead of being left on a desk like thicker packs
- It survives daily bag abuse without the scuffed, tired look owners report from glossier packs
- Two full phone charges from something this thin still surprises first-time buyers
Common complaints
- Owners expecting modern fast-charging speeds find the steady 15W-class output unexciting
- Without a percentage readout, the last light blinking out always feels sudden
- It cannot rescue a tablet and a phone on the same heavy day without a second pack
| Capacity | 10,000mAh |
|---|---|
| USB-C | 5V/3A input and output (listing) |
| Model | A1229 |
| Size | 5.99 x 2.81 x 0.61 in |
| Weight | 8.6 oz (listing) |
| Charging tech | PowerIQ |
Best for: Everyday carry for one phone, where slim size matters more than laptop wattage or a display.
Skip if: You charge a tablet and a phone together daily; 10,000mAh and one main port will leave you rationing.
Best pocket 45W pack
INIU INIU P50 Pocket Rocket 10,000mAh 45W Power Bank
A 45W phone and tablet charger shrunk to the size of a matchbox, with its cable on a lanyard.
Strengths
- 45W max from either USB-C port on its own, with PPS support for Samsung super-fast charging
- Tiny 3.3 x 2.0 x 1.0 inch body at 5.6 oz, small enough for a jeans pocket or a lanyard carry
- Detachable USB-C lanyard cable is always attached, so the cable is never the forgotten item
- Two USB-C ports plus an 18W USB-A port cover a phone, a tablet and earbuds in turn
Limitations
- Multi-port use collapses output to 15W total, so the 45W headline is a single-device figure
- Recharge input tops out at 20W, so refilling the pack takes longer than its fast output suggests
- The lanyard cable is short, which suits carrying but not charging a phone across a table
What owners report
Most praised
- The size is the story: owners keep checking that a 45W pack can really be this small
- Samsung owners single out the PPS fast-charging handshake that cheaper small packs miss
- The lanyard loop means it hangs on a bag strap instead of sinking to the bottom of a tote
Common complaints
- Charging two devices at once and watching speeds fall is the most common disappointment
- The short lanyard cable forces the phone and the pack to share a pocket while charging
- Refill time feels out of step with how quickly it empties into a phone
| Capacity | 10,000mAh |
|---|---|
| USB-C output | 45W max per port, single-port use |
| USB-A output | 18W max |
| Recharge input | 20W max via USB-C |
| Size | 3.3 x 2.0 x 1.0 in |
| Weight | 5.6 oz / 160g (maker spec) |
Best for: Pocket-first travellers who want real 45W phone charging, including Samsung super-fast charging, without a brick.
Skip if: You charge several devices at once; using all three ports together drops total output to 15W.
Best emergency pack
Anker Anker Nano Power Bank 5,000mAh with Built-in USB-C Connector
A lipstick-size 5,000mAh rescue pack whose connector folds out, so no cable is ever needed.
Strengths
- Built-in foldable USB-C connector plugs straight into a phone, with no separate cable to carry
- 22.5W max USB-C output for a fast single-phone top-up, with 18W max total output across ports
- Only 3.5 oz, lighter than most phones, so it disappears into a small pocket or clutch
- 18W max USB-C input refills the small cell faster than old micro-USB rescue packs
Limitations
- 5,000mAh delivers roughly one phone charge, and conversion losses eat into even that
- The built-in connector suits USB-C phones; older or Lightning devices need an adapter
- Total output caps at 18W when both outputs run, so the 22.5W figure is single-port only
What owners report
Most praised
- The fold-out connector is the feature owners demonstrate to friends, because it removes the cable entirely
- It rescues a dying phone from a pocket that had room for nothing bigger
- Its weight is so low that owners forget it is there until the phone hits single digits
Common complaints
- One charge is all it gives, so heavy users run it dry before dinner
- The short built-in connector leaves the phone and pack dangling together while charging
- Owners with mixed-device households wish the connector covered more than USB-C
| Capacity | 5,000mAh |
|---|---|
| USB-C output | 22.5W max, single port |
| Total output | 18W max |
| USB-C input | 18W max |
| Connector | Built-in foldable USB-C connector |
| Weight | 3.5 oz / 100g (listing) |
Best for: Minimalists who want one emergency phone charge with zero cables in a tiny pocket pack.
Skip if: You need more than one phone charge or you carry a tablet; 5,000mAh is a rescue, not a reserve.
Best budget magnetic pack
Anker Anker 321 MagGo Battery (PowerCore Magnetic 5K)
The cheapest way into magnetic iPhone charging: snap on, walk away, no cable, no stand.
Strengths
- Magnetic snap-on charging for MagSafe iPhones, including through a MagSafe case
- Slim 0.59-inch body that keeps the phone usable while it charges
- USB-C port also charges wired devices at up to 12W total output
- Temperature sensors monitor charging up to 7,200 times per hour, per Anker, for safer wireless charging
Limitations
- Wireless output tops out at 7.5W, so a full charge takes far longer than a wired pack
- No USB-C cable is included in the box, which catches first-time buyers
- Thick or non-magnetic cases weaken the hold and slow charging, per Anker's own warning
What owners report
Most praised
- Snapping it on one-handed while walking is the convenience owners keep coming back to
- It turns a phone case pocket into a charging dock without adding a cable to the routine
- The low price makes it the pack owners buy twice, one for a bag and one for a desk
Common complaints
- Wireless charging speed disappoints buyers who expected wired-class refill times
- A thick case makes the magnet slip at exactly the wrong moment, mid-walk
- The missing cable in the box forces an extra purchase before the first recharge
| Capacity | 5,000mAh |
|---|---|
| Wireless output | 7.5W max, MagSafe-compatible |
| USB-C output | 5V/2.4A (12W max total) |
| USB-C input | 5V/2A |
| Model | A1616 |
| Size | 3.70 x 2.50 x 0.59 in |
Best for: iPhone owners who want cable-free top-ups and already accept 7.5W wireless as a slow-but-handy trade.
Skip if: You need fast charging or Android magnetic charging; 7.5W wireless is slow and the magnet is iPhone-first.
Best magnetic pack with a stand
Anker Anker 622 Magnetic Battery (MagGo)
The magnetic pack that doubles as a stand, so video calls keep going while the phone charges.
Strengths
- Foldable stand props the phone in portrait or landscape for hands-free calls and video
- Magnetic attachment holds the phone securely for charging on the move
- USB-C port delivers up to 12W wired for a second device or a faster top-up
- Only 0.50 inches thick, so it adds little bulk to a phone already in hand
Limitations
- Wireless charging is capped at 7.5W, not the 15W MagSafe standard, so charging is slow
- It cannot charge two devices at once; a cabled device takes priority over wireless
- 5,000mAh is a partial charge for large Pro Max phones, not a full refill
What owners report
Most praised
- The stand is what owners actually use daily, turning a battery into a desk companion
- It holds onto the phone firmly enough for walking and commuting without sliding off
- The thin profile means it stays attached during calls instead of being peeled off after charging
Common complaints
- Slow wireless charging frustrates owners who charge during short breaks between meetings
- Trying to charge earbuds by cable while the phone charges wirelessly simply does not work
- Large-phone owners find the capacity covers only part of a day, not a full rescue
| Capacity | 5,000mAh |
|---|---|
| Wireless output | 7.5W max |
| USB-C output | 12W max (5V/2.4A) |
| USB-C input | 12W max (5V/2.4A) |
| Size | 4.13 x 2.62 x 0.50 in |
| Weight | About 142g (maker page) |
Best for: iPhone owners who watch video or take calls while charging and want a kickstand built into the battery.
Skip if: You want the fastest magnetic charging or a big reserve; 7.5W wireless and 5,000mAh are both modest.
Best magnetic pack overall
Anker Anker MagGo Power Bank (10K, Slim)
The slim Qi2 magnetic pack: true 15W wireless charging for iPhones, in a metal-framed 10,000mAh slab.
Strengths
- Qi2-certified 15W wireless charging for MagSafe iPhones, double the 7.5W of older magnetic packs
- 10,000mAh capacity, rated by Anker at up to 1.8 iPhone 15 Pro charges
- Slim 0.58-inch metal-framed body with aerogel insulation for cooler wireless charging
- USB-C port covers wired charging for non-magnetic devices and refills the pack
Limitations
- At 7.62 oz it is noticeably heavier than the 5,000mAh magnetic packs, and the phone-plus-pack stack is a handful
- Android phones charge wirelessly at lower efficiency without the magnetic alignment, per the listing note
- No stand is built in, unlike the 622, so hands-free viewing needs a separate prop
What owners report
Most praised
- The jump to 15W wireless is the upgrade owners feel immediately after years of 7.5W packs
- It stays cool during long wireless sessions in a way older magnetic packs did not
- The metal frame and slim shape make it feel like part of the phone rather than a brick strapped on
Common complaints
- The combined weight with a large iPhone tires the hand during long calls
- Android owners report slower wireless charging than the iPhone headline suggests
- Without a stand, video watching means leaning the whole stack against something
| Capacity | 10,000mAh |
|---|---|
| Wireless output | 15W max, Qi2-certified (5W / 7.5W / 15W) |
| Input | 5V/3A, 9V/3A, 15V/2A via USB-C |
| Model | A1664 |
| Size | 4.09 x 2.78 x 0.58 in |
| Weight | 7.62 oz / 215.9g (maker page) |
Best for: iPhone owners who want magnetic charging at proper 15W speed with enough capacity for nearly two charges.
Skip if: You use Android as a daily phone; magnetic alignment and 15W wireless are iPhone-first features here.
How we chose
Capacity is a cell rating, not delivered charge
A 20,000mAh pack does not deliver 20,000mAh to a phone. Voltage conversion and heat eat a real share, which is why makers quote phone charges rather than raw milliamp-hours in their marketing. Compare packs by the maker's phone-charge claims and by usable size, not by the biggest milliamp-hour number on the box.
Wattage per port decides what it can actually charge
Total wattage is the most abused number in this category. A pack can claim 100W while giving a laptop only 65W once a second device plugs in, or 200W while reserving 140W for one port. We quote the per-port figure everywhere, because the port your device sits on is the only number that charges it.
Refill speed is half the product
A big pack with a slow input is a weekend project, not a travel tool. The laptop packs here refill at 65W to 100W, while the small packs refill at 12W to 30W, and that gap decides whether a pack is ready for tomorrow morning or still crawling at noon. Check the input wattage before the output wattage if you travel daily.
Size and cables decide whether it gets carried
The best pack is the one in the bag. A 5,000mAh pack with a built-in connector beats a 20,000mAh brick left in a hotel room, and a magnetic pack beats both for a phone call on the move. Built-in cables, lanyard cables and magnetic snap-on all count as features here, because they remove the reason packs get left behind.
Questions, answered
How many phone charges does a 10,000mAh power bank give?
Usually about two full charges for a standard phone, sometimes a little less for large Pro Max models. Conversion losses mean a 10,000mAh cell rating delivers roughly 6,000 to 7,000mAh to the phone, and makers quote around 1.8 to 2 charges for their 10,000mAh packs. A 20,000mAh pack roughly doubles that, and a 5,000mAh pack gives about one charge.
What wattage do I need to charge a laptop from a power bank?
Most slim laptops charge happily at 65W to 100W over USB-C, while larger performance laptops want 100W to 140W to hold charge under load. Check the laptop's own charger wattage: a pack whose single-port output matches or beats it will charge well, while a 22W phone pack will only slow the drain. The cable matters too, since a 3A cable caps charging at 60W.
Can I take a power bank on a plane?
Yes, in cabin baggage, within airline limits. The common threshold is 100Wh without airline approval, and every pack in this guide sits at or below 90Wh on maker figures, including the 25,000mAh UGREEN at 90Wh. Power banks go in hand luggage, not checked baggage, and very large packs above 100Wh need airline approval and usually cap at 160Wh.
Why does my power bank charge slowly when two devices are plugged in?
Because total output is shared. A pack rated at 100W total might give one port 100W alone but split to 65W and 15W across several ports, and the INIU P50 drops to 15W total across three ports. The per-port figure, not the headline total, is what your device receives. For full speed, charge the demanding device alone.
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- Laptop charging is a per-port question, not a total-wattage question. This ranking weighs the wattage one USB-C port can sustain for a laptop, the refill speed of the pack itself, and whether the included cable can actually carry the claimed watts. Phone-first packs are excluded outright, because a 22W pack does not become a laptop pack by having a big battery.The Best Power Banks for Laptops (2027)
- Travel ranks packs by a different test than the desk: will it fly in cabin baggage, will it be carried every day, and will it work without a cable hunt in an airport. Capacity matters, but a pack left in a hotel room scores zero, so pocketability, built-in cables and magnetic convenience weigh as heavily as milliamp-hours here.The Best Power Banks for Travel (2027)
- Magnetic charging trades speed for convenience, and the honest split in 2027 is between 7.5W packs and Qi2 15W packs. This ranking weighs wireless wattage first, then capacity, then the extras that justify magnetic over wired: a stand for viewing, a slim body for carrying, and a wired port for everything else.The Best Magnetic Power Banks (2027)
- ReviewAnker 737 Power Bank Review (2027)
- ReviewAnker Prime 20,000mAh 200W Power Bank Review (2027)
- ReviewUGREEN Nexode 25,000mAh 200W Power Bank Review (2027)
- ReviewBaseus EnerFill FC41 100W Power Bank Review (2027)
- ReviewUGREEN Nexode 100W 20,000mAh Power Bank Review (2027)
- ReviewAnker 335 Power Bank (PowerCore 20K) Review (2027)
- Head to headAnker 737 vs Anker Prime 20K 200W (2027)
- Head to headAnker 321 MagGo vs Anker 622 MagGo (2027)
- Buying guidePower Bank Buying Guide (2027)
- Fix itPower Bank Not Charging? Fixes (2027)
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