Wireless and magnetic power banks

Wireless charging costs efficiency: that is the price of convenience, and it is worth knowing exactly how much before you buy.

A magnetic battery loses between 20 and 35 per cent of its energy in the inductive transfer, against 5 to 10 per cent over USB-C. A 10,000 mAh magnetic pack therefore returns appreciably less than a 10,000 mAh wired one, and runs hotter. In exchange it sticks to the back of the phone and charges with no handling at all, which genuinely changes daily use. The Qi2 standard raised the bar to 15 watts with standardised magnetic alignment, against 7.5 watts on older models. We measure the power actually delivered, the strength of the magnet and whether a wired USB-C port is available as a fallback.

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Nexode 10000mAh Ugreen 10000mAh MagSafe power bank
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Ugreen Nexode 10000mAh

See price and availability (60)Allowed in cabin (flights)

A magnetic MagSafe-compatible power bank: 10,000 mAh, wireless charging for iPhone, 20W USB-C and a built-in foldable stand, in an ultra-thin design.

  • Capacity: 10,000 mAh (~37 Wh)
  • Wireless charging: Magnetic MagSafe, 7.5W
  • Wired charging: USB-C Power Delivery 20W
  • Format: Ultra-thin 19 mm, 220 g, foldable stand
  • MagSafe + 20W USB-C, foldable stand, ultra-thin
The Ugreen Nexode is a 10,000 mAh magnetic power bank designed for iPhone: it clips onto the back of the phone via its MagSafe-compatible magnets and charges it wirelessly, cable-free. Wired, its USB-C port delivers 20W Power Delivery for fast charging, and can power two devices at once. Ultra-thin (19 mm) and light (220 g), with a built-in foldable stand and a non-slip silicone surface, it is the ideal backup to slip into a pocket.
We adopted the Ugreen Nexode as a backup battery for the iPhone, and its appeal is obvious the moment you place it on the back of the phone: the MagSafe magnets align it perfectly and hold it firmly, and you can keep using the iPhone while it charges, with no dangling cable. The format is genuinely thin and light, it disappears into a pocket. The little foldable stand is a nice surprise: you prop the phone in landscape to watch a video while it charges. Over USB-C, the 20W charge the iPhone quickly (or a second device at the same time), and also recharge the battery itself. Two honest caveats: wireless charging tops out at 7.5W on iPhone, fine for topping up but not the fastest (use USB-C if you are in a hurry), and it warms up a little during heavy magnetic charging. There is no screen, just LED level indicators. But at this price, to keep an iPhone topped up wirelessly day to day, the Nexode offers excellent value.
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MagGo Power Bank Anker MagGo magnetic power bank 10000mAh MagSafe
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Anker MagGo Power Bank

See price and availability (44)Allowed in cabin (flights)

10000mAh that snap onto the back of an iPhone via MagSafe and charge it wirelessly at 15W: the Anker MagGo magnetic power bank, with a display and built-in kickstand.

  • Capacity: 10000mAh
  • Wireless: MagSafe / Qi2 15W (magnetic)
  • Wired: USB-C 30W (input and output)
  • Extra: Display + built-in kickstand
  • MagSafe 15W wireless charging with kickstand
The Anker MagGo Power Bank is a 10000mAh magnetic power bank designed for MagSafe-compatible iPhones. Qi2 certified, it charges wirelessly at 15W by snapping magnetically to the back of the phone, and also offers a USB-C port up to 30W for fast wired charging (input and output). It has a display showing battery level and remaining charge time, plus a foldable kickstand to use the phone in landscape while charging.
The MagGo is the power bank that finally made magnetic charging genuinely practical. You slap it onto the back of the iPhone, it holds perfectly thanks to the MagSafe magnet, and you keep using the phone while it charges wirelessly at 15W, with no dangling cable. The built-in kickstand is a brilliant little touch: you prop the iPhone in landscape to watch a video while charging. The display showing the remaining percentage saves you from guessing. Its 10000mAh charge an iPhone about 1.8 times, enough for a good day. To go faster, the 30W USB-C port allows full-speed wired charging. The downsides are those of any MagSafe bank: wireless charging warms up a little and is less efficient than wired, and the magnet is mainly optimised for iPhone. But for an Apple user, it is the perfect on-the-go accessory.
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Zolo Magnetic 10000 Anker Zolo magnetic 10,000 mAh power bank with stand
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Anker Zolo Magnetic 10000

See price and availability (31)Allowed in cabin (flights)

It sticks to the back of an iPhone, folds out into a video stand and carries its own 30 W USB-C cable: three uses in one 10,000 mAh pack.

  • Capacity: 10,000 mAh (37 Wh)
  • Charging: Magnetic wireless + 30 W USB-C cable
  • Stand: Built-in adjustable kickstand
  • Compatibility: MagSafe iPhone and USB-C devices
  • Magnetic, video stand and built-in USB-C cable
The Anker Zolo magnetic combines three simple, well-executed ideas. It attaches magnetically to the back of a MagSafe-compatible iPhone for wireless charging, with no cable and no stand needed. Its built-in kickstand folds out to turn the phone into a small tilted screen, perfect on a plane or a desk. And when wireless is not enough, its USB-C cable is built into the casing and delivers up to 30 W, enough to quickly fill a phone or even a tablet. Its 10,000 mAh (37 Wh) give roughly two full phone charges in a format that fits a pocket.
We adopted this magnetic Zolo for train journeys, and it is a cleverer object than it looks. The magnetism is firm: placed on the back of an iPhone 16, it holds without sliding, even when handling the phone one-handed. The real surprise is the kickstand. Once folded out, it tilts the phone to a comfortable angle, turning a train tray or an aeroplane armrest into a small viewing station. We used it far more often than expected. On charging, wireless remains what it is, convenient but slow and a little warm over long sessions. That is where the built-in USB-C cable earns its place: plugged in, it climbs to 30 W and charges an iPhone far faster, or rescues an iPad. Not having to carry an extra cord is, once again, the kind of detail that counts when travelling. Two caveats: 10,000 mAh is about two phone charges, so it is more a day companion than a weekend reserve, and wireless charging draws more than wired, so do not count on two full charges if you only use it magnetically. For urban and light nomadic use, it is a success.
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MagFlow 10000mAh Ugreen 10000mAh Qi2 25W magnetic power bank
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Ugreen MagFlow 10000mAh

See price and availability (23)Allowed in cabin (flights)

The fastest MagSafe charging: 10000mAh, Qi2 25W magnetic wireless charging for iPhone, a built-in USB-C cable and a digital display.

  • Capacity: 10,000 mAh (37 Wh)
  • Wireless charging: Magnetic Qi2 25W (MagSafe)
  • Wired charging: USB-C PD 30W, built-in cable
  • Weight: 250 g, digital display
  • Qi2 25W wireless, built-in cable, display
The Ugreen MagFlow 10000mAh finally brings genuinely fast wireless charging to the MagSafe world: thanks to the Qi2 standard, its magnetic charging reaches 25W, against 7.5W on most magnetic batteries. It charges an iPhone 17 Pro Max to 50% in 38 minutes, cable-free. A built-in USB-C cable (30W, doubling as a strap) and a USB-C port complete the 3-in-1 design, and a digital display shows the level. Compact (250 g) and under 100 Wh, it is allowed in the aircraft cabin: the most complete magnetic battery.
We adopted the Ugreen MagFlow as our main MagSafe battery, and the difference from 7.5W models is obvious: at 25W wireless, the iPhone charges genuinely fast, you get back half the battery in a short half hour without plugging in a single cable. The magnets hold firmly, you keep the phone in hand without it sliding. The built-in USB-C cable is well thought out, it also acts as a strap and saves carrying a cable, and the digital display lets you track the level at a glance. The format stays reasonable, it slips into a pocket. Two small caveats: full Qi2 25W charging is only available on recent iPhone 16 and 17 (iOS 26), older models staying at 15W, which is already good, and it warms up a little during fast charging, like any battery of this type. But for the fastest magnetic wireless charging, with cable and display, it is currently one of the best on the market.
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Nexode Mini 5000mAh Ugreen 5000mAh MagSafe mini power bank
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Ugreen Nexode Mini 5000mAh

See price and availability (21)Allowed in cabin (flights)

The ultra-thin MagSafe power bank: 5000mAh, magnetic wireless charging for iPhone, a USB-C 60W cable included, in a format you forget.

  • Capacity: 5,000 mAh (18.5 Wh)
  • Wireless charging: Magnetic MagSafe 7.5W
  • Wired charging: USB-C 15W, 60W cable included
  • Format: Ultra-thin 1.31 cm, soft-touch silicone
  • Ultra-thin, MagSafe, USB-C 60W cable included
The Ugreen Nexode Mini 5000mAh is an ultra-thin magnetic power bank for iPhone: it attaches to the back of the phone via its MagSafe magnets and charges it wirelessly at 7.5W. A USB-C port handles wired charging up to 15W, and a USB-C 60W cable is included in the box, which is rare. Barely 1.31 cm thick, with a soft-touch silicone surface, it gives about one iPhone charge to slip in a pocket. Under 100 Wh, it is allowed in the aircraft cabin.
We adopted the Ugreen Nexode Mini as a backup battery for the iPhone, and it is the ideal companion for days when you travel light. You slap it onto the back of the phone, the MagSafe magnets align it perfectly, and you keep using the iPhone while it charges wirelessly, with no dangling cable. What strikes you first is how thin it is: barely thicker than a slightly generous case, it does not unbalance the phone in hand and vanishes into a pocket. The soft-touch silicone finish is pleasant and grippy. We also like that the USB-C cable is included, which is far from standard, handy for wired charging at 15W. Two honest caveats: wireless charging stays at 7.5W, fine for topping up but not the fastest on the market (some rivals reach 15W), and with 5,000 mAh you get about one iPhone charge. It is also a little pricey for its class. But for a genuinely thin, well-finished magnetic battery that is complete out of the box, the Nexode Mini appeals to those who value lightness and a carefully made object.
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MagFlow 20000 (Qi2) Ugreen MagFlow magnetic 20,000 mAh Qi2 power bank
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Ugreen MagFlow 20000 (Qi2)

See price and availability (12)Allowed in cabin (flights)

The biggest of the magnetic packs: 20,000 mAh, certified Qi2 at 25 W and 45 W wired, to last a whole weekend without looking for a socket.

  • Capacity: 20,000 mAh (74 Wh)
  • Wireless: Certified Qi2 25 W, 17 N52 magnets
  • Wired: 45 W with built-in USB-C cable
  • Outputs: 2 USB-C + USB-A + induction (4 devices)
  • Qi2 25 W and 20,000 mAh, four devices at once
The Ugreen MagFlow 20,000 mAh is a magnetic pack that refuses the format's usual compromises. Where most MagSafe models stop at 10,000 mAh and 15 W, this one doubles the capacity and moves to certified Qi2 at 25 W, the standard that finally brings wireless closer to wired charging. Its 17 N52 magnets ensure a firm grip on an iPhone, and the built-in USB-C cable climbs to 45 W to quickly refill a phone or an ultraportable. With two USB-C ports, a USB-A and the induction surface, it feeds up to four devices at once.
We tested this MagFlow as a weekend pack, and its capacity genuinely changes how you use it. With 20,000 mAh in a magnetic format, you stop counting charges: an iPhone goes back to full three times, with enough left to rescue earbuds and a watch. Certified Qi2 at 25 W is immediately noticeable against older 15 W MagSafe packs, wireless charging finally becomes a real solution rather than a slow fallback. The magnetic grip is firm with its seventeen magnets: the phone does not slide, even while walking. The built-in 45 W USB-C cable is the other pleasant surprise, charging an iPhone at maximum speed and even rescuing a sleeping ultraportable. Being able to feed four devices at once, one of them wirelessly, makes it a genuine travel hub. The two caveats are linked: at 410 g this is no longer a pocket pack but a bag one, and the 33 mm thickness shows when stuck to the back of a phone. If you want lightness, a 10,000 mAh model remains more suitable; if you want never to run flat, this one is built for it.
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10,000 mAh (wireless) Samsung 10,000 mAh wireless power bank
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Samsung 10,000 mAh (wireless)

See price and availability (8)Allowed in cabin (flights)

Charge wirelessly or over 25 W USB-C, up to three devices at once, with the compact and elegant Samsung 10,000 mAh wireless battery pack.

  • Capacity: 10,000 mAh
  • Wireless charging: Qi induction, 7.5 W
  • Wired output: 2 USB-C, 25 W max
  • Weight: 222 g
  • Qi wireless + 2 USB-C 25 W, up to 3 devices at once
The Samsung 10,000 mAh wireless battery pack (reference EB-U2510) combines two charging modes: a Qi induction surface (7.5 W) to rest a phone, a watch or earbuds directly on it, and two wired USB-C ports up to 25 W. It can power three devices at once, two wired and one wireless. Compact (222 g), finished in an elegant beige and partly made from recycled plastics, it is ideal for fast charging day to day and on the move, USB-C cable included.
We took to this Samsung induction battery for its two-in-one nature. Day to day, simply dropping the phone on top to charge it, with no cable to find, is genuinely pleasant, just like charging a Galaxy Watch or earbuds the same way. And when you want speed, the 25 W USB-C ports do the job: you get a good chunk of a phone's battery back in little time. Being able to power three devices at once (two cables plus induction) is a real help when travelling, when everyone needs juice. The LED indicators are clear, you always know how much is left, and the included cable saves carrying one. The beige finish is pretty and a change from the usual black shells. Two honest reservations: induction charging is handy but slow (7.5 W), so for speed you are better off using USB-C, and at 222 g it makes itself felt in a small pocket. But for mixed wireless and wired use, with this capacity and versatility, it is a genuinely well-designed power bank.
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33W Magnetic 10000 Xiaomi 10000 mAh magnetic power bank
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Xiaomi 33W Magnetic 10000

See price and availability (7)Allowed in cabin (flights)

Magnetically attached to the back of your phone, with a built-in USB-C cable and wireless charging: the Xiaomi 33W Magnetic packs 10000 mAh and 33 W into one all-in-one unit.

  • Capacity: 10000 mAh (37 Wh)
  • Charging: 33 W wired, 7.5 W wireless
  • Attachment: Magnetic 13 N + built-in USB-C cable
  • Weight: 238 g
  • Magnetic, built-in cable and 33 W in one device
The Xiaomi 33W Magnetic Power Bank 10000 is an all-in-one magnetic power bank. It attaches to the back of compatible smartphones with a 13 N magnetic force, offers 7.5 W wireless charging and features a built-in USB-C cable plus a second USB-C port for fast wired charging up to 33 W. Its 10000 mAh (37 Wh) recharge a smartphone about twice. A portable format designed to skip the cable in daily life.
The Xiaomi 33W Magnetic is my favourite battery for the city, because it removes the forgotten-cable problem. It sticks to the back of my phone (the 13 N magnet really holds, without slipping) and it carries its own USB-C cable, which means you can plug it in even when you have nothing else at hand. Over cable, the 33 W recharge the phone at a good pace, and the second USB-C port lets you top up earbuds or a watch alongside. The 7.5 W wireless charging is handy for resting the phone on it, but let us be honest: it is slow, more of an occasional top-up than the main method. It barely heats up, reassuring when you carry it against the phone. Compact for what it offers, it is an excellent everyday companion.
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Rapid Mag 10000mAh EcoFlow Rapid Mag Qi2.2 25W magnetic power bank
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EcoFlow Rapid Mag 10000mAh

£89.99 £76.99 (6)Allowed in cabin (flights)

Next-generation magnetic wireless charging: Qi2.2 25W, 10,000 mAh, a built-in 36W USB-C cable and a folding stand, in an ultra-thin 230 g body.

  • Capacity: 10,000 mAh (iPhone 16 x1.9)
  • Wireless: Qi2.2 25W magnetic (11N magnet)
  • Wired: Built-in 36W USB-C cable, 3 devices
  • Format: 230 g, 15.95 mm, built-in stand
  • Qi2.2 25W, built-in cable, stand
The EcoFlow Rapid Mag is a magnetic power bank that adopts the latest Qi2.2 standard: its wireless charging reaches 25W, more than three times faster than first-generation Qi, and fully optimised for recent iPhones. Its 10,000 mAh recharge an iPhone 16 up to 1.9 times, in an ultra-thin 230 g body that slips into a pocket. A 36W USB-C cable is built into the body, a strong 11N magnet holds the phone firmly, and a retractable stand keeps the screen upright or landscape, hands-free. It charges the phone while recharging itself.
The Rapid Mag reconciled us with magnetic wireless charging, often too slow on rival banks: here, thanks to Qi2.2, you get 25W wirelessly, and the difference shows, the iPhone climbs back up genuinely fast without a single cable. You snap it onto the back of the phone, the 11N magnet holds firm even while walking or cycling, and the small retractable stand is an excellent idea for watching a video while charging, portrait or landscape. The built-in 36W USB-C cable avoids carrying a cord, and you can power up to three devices by combining wireless and wired. Its 10,000 mAh in a 230 g, 15.95 mm-thick body make it a true pocket battery, recharging an iPhone 16 nearly twice. It charges itself while powering the phone, handy at night on the bedside table. Two caveats: full 25W is mainly used by recent iPhones (Qi2.2), and like any magnetic bank it warms up a little during fast charging. But for genuinely fast, portable wireless charging, it is a success.
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Related questions

It is the magnet system Apple has built into the back of iPhones since the 12. A magnetic ring lines the accessory up perfectly with the charging coil, which removes the main weakness of wireless charging: poor positioning. A MagSafe battery therefore snaps onto the phone and charges it cable-free, at up to 15 watts.

It will charge wirelessly on any Qi-compatible device, but it will not stay put unless the back of the phone is magnetic. Most Android handsets have no built-in magnets. Two options: a case with a magnetic ring, or a stick-on adhesive ring. Recent Qi2 models, on the other hand, have the magnets built in.

Qi2 is the open standard from the WPC consortium, closely modelled on MagSafe: same magnets, same alignment, 15 watts. MagSafe remains Apple's proprietary implementation. In practice a Qi2 charger performs identically to a certified MagSafe one on an iPhone, and also works with compatible Android phones.

Because magnetic transfer loses 20 to 35 per cent of the energy as heat, against 5 to 10 per cent over USB-C. The phone warms up and its protection system then deliberately throttles the power. A 10,000 mAh magnetic pack therefore delivers noticeably less than a wired 10,000 mAh unit of the same capacity.

Not if it is under 3 mm thick and contains no metal parts. Beyond that the magnet grips poorly and power drops. Cases with a metal plate, card holders and ring stands block charging outright. A case badged MagSafe or Qi2 has its own ring built in and causes no trouble at all.

It does no direct harm, but the heat it generates slightly accelerates cell ageing. To limit that, avoid charging the phone in a thick sleeve or in direct sunlight, and prefer a cable for long sessions, overnight for instance.

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