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amazon.co.uk
Magnetic power banks
price per 100 Wh How we compare Buying guide ↓
- Qi2 · Qi2.2
- 15 W · 25 W
- “MagSafe compatible”
- Usually 7.5 W
- Charges from 5,000 mAh
- About 0.7–0.9 wirelessly
- Energy lost as heat
- 20–30 % more than a cable
Filters (1)
| Product | £ / 100 Wh ▲ | Max output (W) | Package | Capacity | Kind | Rating · Reviews |
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| Product | £ / 100 Wh ▲ | Max output (W) | Package | Capacity | Kind | Rating · Reviews | |
|---|---|---|---|---|---|---|---|
| Wireless Magnetic Power Bank, Ultra-Slim Portable Charger 10000mAh, 20W Fast Charging Compact High-Speed Battery Pack, Wireless Powerbank for iPhone 17 16 15 14 13 12 Plus Pro Max Mini iPad Galaxy 10,000 mAh · 37 Wh · 4.4 / 5 Max output (W): 20 Capacity, output & details
| £35.11per 100 WhBest value | 20 | £12.99Package price | 10,000 mAh · 37 Wh | Magnetic (MagSafe, Qi2) | 4.4 (572) | |
| Power Bank, Ultra-Slim 10000mAh Wireless Portable Charger, 20W Magnetic Power Bank Fast Charging with USB-C in&Out, Battery Pack for iPhone Air/17/16/15/14/13/12 Plus/Pro/Pro Max, Samsung, Android 10,000 mAh · 37 Wh · 4.7 / 5 Max output (W): 20 Capacity, output & details
| £37.81per 100 Wh | 20 | £13.99Package price | 10,000 mAh · 37 Wh | Magnetic (MagSafe, Qi2) | 4.7 (66) | |
| Magnetic Wireless Power Bank 5000mAh - Ultra Slim Power Bank Fast Charging Compatible with iPhone, Google & Smartphones - Fast Qi Charging Battery Pack, LED Indicator Travel Friendly 5,000 mAh · 18.5 Wh · 2.7 / 5 Capacity, output & details
| £40.49per 100 Wh | — | £7.49Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 2.7 (21) | |
| 2026 for iPhone Magsafe Power Bank 10000mAh, Ultra Slim Magnetic Power Bank Fast Charging, Wireless Battery Portable Charger,20W Powerbank Compatible with iPhone 18/17/16/15/14/13/12 Pro Max Plus Mini 10,000 mAh · 37 Wh · 4.6 / 5 Capacity, output & details
| £48.00per 100 Wh | — | £17.76Package price | 10,000 mAh · 37 Wh | Magnetic (MagSafe, Qi2) | 4.6 (184) | |
| For MagSafe Power Bank, 5000mAh Fast Charge Wireless Portable Charger Strong Magnetic Grip, Slim Battery Pack for Outdoor, Compatible for iPhone 17/16/15/14/13/12 (Pink) 5,000 mAh · 18.5 Wh · 4.1 / 5 Capacity, output & details
| £54.00per 100 Wh | — | £9.99Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4.1 (47) | |
| Miady 2 Pack Ultra Slim Magnetic Wireless Portable Charger 5000mAh 2 × 5,000 mAh · 37 Wh · 3.8 / 5 Capacity, output & details
| £55.11per 100 Wh | — | £20.39Package price | 2 × 5,000 mAh · 37 Wh | Magnetic (MagSafe, Qi2) | 3.8 (207) | |
| 6000mAh Ultra Slim for MagSafe Power Bank, Magnetic Wireless Power Bank 6,000 mAh · 22.2 Wh · 3 / 5 Capacity, output & details
| £63.02per 100 Wh | — | £13.99Package price | 6,000 mAh · 22.2 Wh | Magnetic (MagSafe, Qi2) | 3 (6) | |
| Miady for Magsafe Power Bank, 5000mAh Magnetic Slim Portable Charger 5,000 mAh · 18.5 Wh · 3.8 / 5 Capacity, output & details
| £64.27per 100 Wh | — | £11.89Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 3.8 (207) | |
| iWALK Magnetic Wireless Power Bank 10000mAh, Slim Portable Charger with 20W PD Cable Fast Charging, Metal Kickstand, LED Display, MagSafe Compatible Battery Pack for iPhone 18/17/16/15/14/13/12 Series 10,000 mAh · 37 Wh · 3.8 / 5 Max output (W): 20 Capacity, output & details
| £65.97per 100 Wh | 20 | £24.41Package price | 10,000 mAh · 37 Wh | Magnetic (MagSafe, Qi2) | 3.8 (48) | |
| Riapow Magnetic Power Bank 10000mAh, Slim Magnet Wireless Portable Charger 10,000 mAh · 37 Wh · 4.2 / 5 Capacity, output & details
| £69.43per 100 Wh | — | £25.69Package price | 10,000 mAh · 37 Wh | Magnetic (MagSafe, Qi2) | 4.2 (6k) | |
| TORRAS MiniMag Slim Magnetic Power Bank for MagSafe, 10000mAh 22.5W Grey 10,000 mAh · 37 Wh · 4.3 / 5 Max output (W): 22.5 Capacity, output & details
| £81.51per 100 Wh | 22.5 | £30.16Package price | 10,000 mAh · 37 Wh | Magnetic (MagSafe, Qi2) | 4.3 (5.9k) | |
| INIU for MagSafe Qi2 15W Power Bank, Slimmest 10000mAh Portable Charger 10,000 mAh · 37 Wh · 3.7 / 5 Max output (W): 15 Capacity, output & details
| £91.76per 100 Wh | 15 | £33.95Package price | 10,000 mAh · 37 Wh | Magnetic (MagSafe, Qi2) | 3.7 (258) | |
| Rockland MagSafe 5000mAh Wireless Power Bank, Magnetic Portable Charger for iPhone, Fast Charging Battery Pack with USB C Cable, Compact Mobile Charger 5,000 mAh · 18.5 Wh Capacity, output & details
| £94.11per 100 Wh | — | £17.41Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | — | |
| Podoru for MagSafe Power Bank 5000mAh, Ultra-Slim Magnetic Portable Charger 5,000 mAh · 18.5 Wh · 4.3 / 5 Capacity, output & details
| £102.65per 100 Wh | — | £18.99Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4.3 (1.3k) | |
| Ultra Slim MagSafe Power Bank 5000mAh Magnetic Portable Battery Charger 5,000 mAh · 18.5 Wh · 4.5 / 5 Capacity, output & details
| £102.65per 100 Wh | — | £18.99Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4.5 (1.5k) | |
| Power Bank for Magsafe, 2026 Ultra Slim 5000mAh 20W Fast Charging Powerbank Wireless Magnetic Portable Charger,USB C in&Out PD Phone Battery Pack,for iPhone 12/13/14/15/16/17 Air Mini Plus Pro Max 5,000 mAh · 18.5 Wh · 3.6 / 5 Max output (W): 20 Capacity, output & details
| £102.65per 100 Wh | 20 | £18.99Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 3.6 (11) | |
| Bolvunes Qi2 15W Powerbank Power Bank for iPhone MagSafe 5000mAh Slim 5,000 mAh · 18.5 Wh · 4 / 5 Max output (W): 15 Capacity, output & details
| £108.05per 100 Wh | 15 | £19.99Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4 (281) | |
| JUOVI Magnetic Wireless Power Bank, Ultra-Slim 5000mAh Portable Charger 20W PD Fast Charging Mini Battery Pack with USB-C Cable Compatible for MagSafe Airpods i-Watch iPhone 16/15/14 Series (White) 5,000 mAh · 18.5 Wh · 3.9 / 5 Max output (W): 20 Capacity, output & details
| £108.05per 100 Wh | 20 | £19.99Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 3.9 (159) | |
| Power Bank for Magsafe, 2026 Ultra Slim 5000mAh 20W Fast Charging Powerbank Wireless Magnetic Portable Charger,USB C in&Out PD Phone Battery Pack,for iPhone 12/13/14/15/16/17/18 Air Mini Plus Pro Max 5,000 mAh · 18.5 Wh · 4.8 / 5 Max output (W): 20 Capacity, output & details
| £108.05per 100 Wh | 20 | £19.99Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4.8 (121) | |
| 2026 Power Bank for Magsafe, Ultra Slim 5000mAh 20W Fast Charging Powerbank Wireless Magnetic Portable Charger,USB C in&Out PD Phone Battery Pack,for iPhone 12/13/14/15/16/17 Air Mini Plus Pro Max 5,000 mAh · 18.5 Wh · 4 / 5 Max output (W): 20 Capacity, output & details
| £113.46per 100 Wh | 20 | £20.99Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4 (10) | |
| Magnetic Power Bank 10000mAh Ultra Thin Titanium Design Qi2-15W PD20W 10,000 mAh · 37 Wh · 4.4 / 5 Max output (W): 20 Capacity, output & details
| £115.30per 100 Wh | 20 | £42.66Package price | 10,000 mAh · 37 Wh | Magnetic (MagSafe, Qi2) | 4.4 (337) | |
| UGREEN MagFlow Air Ultra-Slim 10000mAh Magnetic Power Bank Qi2 15W,Gray 10,000 mAh · 37 Wh · 4.5 / 5 Max output (W): 15 Capacity, output & details
| £121.59per 100 Wh | 15 | £44.99Package price | 10,000 mAh · 37 Wh | Magnetic (MagSafe, Qi2) | 4.5 (818) | |
| Baseus Picogo AM41 Power Bank, 0.3" Ultra Slim 5000mAh Magsafe Powerbank, PD 20W Fast Charging, Portable, Mini Wireless Magnetic Battery Pack with USB C Cable for iPhone 17 Air/16/15/14/13, Space Grey 5,000 mAh · 18.5 Wh · 4 / 5 Max output (W): 20 Capacity, output & details
| £123.19per 100 Wh | 20 | £22.79Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4 (522) | |
| Baseus PicoGo AM52 Power Bank 45W 10000mAh, Qi2.2 Magnetic Wireless Power Bank 25W Fast Charging, Small Magsafe Portable Charger USB-C Battery Pack with cable, for iPhone 17/16 Pro Max, Samsung, Black 10,000 mAh · 37 Wh · 4.4 / 5 Max output (W): 45Most powerful Capacity, output & details
| £124.30per 100 Wh | 45Most powerful | £45.99Package price | 10,000 mAh · 37 Wh | Magnetic (MagSafe, Qi2) | 4.4 (332) | |
| TORRAS MiniMag Slim Magnetic Power Bank for MagSafe, 10000mAh, Qi2 15W Grey 10,000 mAh · 37 Wh · 4.3 / 5 Max output (W): 15 Capacity, output & details
| £126.32per 100 Wh | 15 | £46.74Package price | 10,000 mAh · 37 Wh | Magnetic (MagSafe, Qi2) | 4.3 (5.9k) | |
| Kuulaa Magsafe Power Bank 7mm Ultra-Slim Magnetic Portable Charger 5000mAh Wireless Portable Phone Charger with USB-C Output, Compatible with iPhone Air/16/15/14/13/12 Plus/Pro/Pro Max/Mini 5,000 mAh · 18.5 Wh · 4 / 5 Capacity, output & details
| £128.59per 100 Wh | — | £23.79Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4 (81) | |
| Kuulaa Magsafe Power Bank Ultra-Slim Wireless Portable Charger 5000mAh Magnetic Phone Charger with USB-C Outpu Compatible with iPhone Air/16/15/14/13/12 Plus/Pro/Pro Max/Mini, Mirror Black 5,000 mAh · 18.5 Wh · 4 / 5 Capacity, output & details
| £133.19per 100 Wh | — | £24.64Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4 (81) | |
| Spigen Essential Qi2 5.000mAh Slim MagSafe Power Bank - Black 5,000 mAh · 18.5 Wh · 4.4 / 5 Capacity, output & details
| £140.49per 100 Wh | — | £25.99Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4.4 (91) | |
| INIU For MagSafe Qi2.2 25 W Power Bank, Thinnest 10000 mAh External Mobile 10,000 mAh · 37 Wh · 4.4 / 5 Max output (W): 25 Capacity, output & details
| £143.14per 100 Wh | 25 | £52.96Package price | 10,000 mAh · 37 Wh | Magnetic (MagSafe, Qi2) | 4.4 (116) | |
| Kuulaa Ultra Slim PowerBank, 5000 mAh, MagSafe PowerBank with Type C 20W Output Power, Quick Charging Function, 7.2 mm Thin, Mini Power Bank for iPhone 16 Pro Max/15 Pro/15/14/13/12 Series 5,000 mAh · 18.5 Wh · 4.1 / 5 Max output (W): 20 Capacity, output & details
| £145.89per 100 Wh | 20 | £26.99Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4.1 (234) | |
| Spigen Essential Qi2 5.000mAh Slim MagSafe Power Bank - Teal Blue 5,000 mAh · 18.5 Wh · 3.6 / 5 Capacity, output & details
| £151.30per 100 Wh | — | £27.99Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 3.6 (109) | |
| UGREEN MagFlow 10000mAh Magnetic Power Bank Slim Qi2 25W Portable Charger 10,000 mAh · 37 Wh · 4.7 / 5 Max output (W): 25 Capacity, output & details
| £154.03per 100 Wh | 25 | £56.99Package price | 10,000 mAh · 37 Wh | Magnetic (MagSafe, Qi2) | 4.7 (49) | |
| SHARGE Ultra Slim Power Bank for Magsafe 5000mAh Qi2 15W Fast Charging 5,000 mAh · 18.5 Wh · 4.4 / 5 Max output (W): 15 Capacity, output & details
| £162.11per 100 Wh | 15 | £29.99Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4.4 (17) | |
| Belkin BoostCharge 5000mAh Slim Magnetic Power Bank with USB C Port - Black 5,000 mAh · 18.5 Wh · 4 / 5 Capacity, output & details
| £162.11per 100 Wh | — | £29.99Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4 (63) | |
| Belkin BoostCharge 10000mAh Slim Magnetic Power Bank with Kickstand - Black 10,000 mAh · 37 Wh · 4.4 / 5 Capacity, output & details
| £162.14per 100 Wh | — | £59.99Package price | 10,000 mAh · 37 Wh | Magnetic (MagSafe, Qi2) | 4.4 (92) | |
| for Magsafe Power Bank, 5000mAh Slim Wireless Portable Charger 5,000 mAh · 18.5 Wh · 4 / 5 Capacity, output & details
| £165.57per 100 Wh | — | £30.63Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4 (207) | |
| UGREEN MagFlow Air Ultra-Slim 5000mAh Magnetic Power Bank Qi2 15W,Gray 5,000 mAh · 18.5 Wh · 4.1 / 5 Max output (W): 15 Capacity, output & details
| £189.08per 100 Wh | 15 | £34.98Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4.1 (840) | |
| INIU Slimmest 5000mAh Portable Charger for MagSafe, Original Qi2 Certified Wireless Fast Charging, 15W Power Bank with USB C Cable & Stand, Travel Magnetic Battery Pack for iPhone 17-12 Series, black 5,000 mAh · 18.5 Wh · 4.4 / 5 Max output (W): 15 Capacity, output & details
| £189.14per 100 Wh | 15 | £34.99Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4.4 (178) | |
| for Magsafe Power Bank, 5000mAh Slim Wireless Portable Charger 5,000 mAh · 18.5 Wh · 4.1 / 5 Capacity, output & details
| £199.95per 100 Wh | — | £36.99Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4.1 (13) | |
| KU XIU Qi2.2 25W Magnetic Power Bank Semi-Solid 10000mAh 1.35cm Slim Black 10,000 mAh · 37 Wh · 4.7 / 5 Max output (W): 25 Capacity, output & details
| £216.19per 100 Wh | 25 | £79.99Package price | 10,000 mAh · 37 Wh | Magnetic (MagSafe, Qi2) | 4.7 (29) | |
| Charg-R Magbank 3-in-1 MagSafe Compatible Power Bank for iPhone, Apple Watch & AirPods, 5000mAh Slim Magnetic Wireless Portable Charger – Gunmetal 5,000 mAh · 18.5 Wh · 4.2 / 5 Capacity, output & details
| £286.43per 100 Wh | — | £52.99Package price | 5,000 mAh · 18.5 Wh | Magnetic (MagSafe, Qi2) | 4.2 (11) | |
| Anker Nano Magnetic Ultra Slim Power Bank Qi2 15W Wireless Portable Charger — · 4.3 / 5 Max output (W): 15 Capacity, output & details
| —per 100 Wh | 15 | £49.99Package price | — | Magnetic (MagSafe, Qi2) | 4.3 (5.1k) | |
| Anker Nano Magnetic Ultra Slim Power Bank Qi2 15W Wireless Portable Charger — · 4.3 / 5 Max output (W): 15 Capacity, output & details
| —per 100 Wh | 15 | £42.99Package price | — | Magnetic (MagSafe, Qi2) | 4.3 (5.1k) | |
| LISEN Qi2 15W Magsafe Power Bank, Magsafe Power Bank Slim — · 4.3 / 5 Max output (W): 15 Capacity, output & details
| —per 100 Wh | 15 | £19.99Package price | — | Magnetic (MagSafe, Qi2) | 4.3 (4.2k) | |
| Air 5K Power Bank, MagSafe Wireless, Fast Ultra Slim Battery Pack — · 3.8 / 5 Capacity, output & details
| —per 100 Wh | — | £59.99Package price | — | Magnetic (MagSafe, Qi2) | 3.8 (67) | |
| for Magsafe Power Bank,5000mAh Slim Wireless Portable Charger for iPhone 18 — · 4.8 / 5 Capacity, output & details
| —per 100 Wh | — | £19.99Package price | — | Magnetic (MagSafe, Qi2) | 4.8 (1.2k) | |
| Ultra Slim Power Bank for Magsafe, Magnetic Power Bank 20W Fast Charging — · 3.7 / 5 Max output (W): 20 Capacity, output & details
| —per 100 Wh | 20 | £13.99Package price | — | Magnetic (MagSafe, Qi2) | 3.7 (225) | |
| Ultra Slim Power Bank for Magsafe, Magnetic Power Bank 20W Fast Charging — · 3.7 / 5 Max output (W): 20 Capacity, output & details
| —per 100 Wh | 20 | £16.99Package price | — | Magnetic (MagSafe, Qi2) | 3.7 (47) |
£92.93 per 100 Wh median of 163 in-stock listings.
Per 100 Wh of nominal cell energy: mAh × 3.7 V, or the stated Wh where it agrees within 20 %; power stations by their stated Wh. ~ marks a stated Wh set aside, or a title that names several capacities.
Magnetic power banks: what to know before you buy
A 5,000–10,000 mAh bank with a magnet ring that snaps to an iPhone 12 or later, or to a Qi2 Android phone or one in a magnetic case, and charges wirelessly at 7.5 W (MagSafe-compatible), 15 W (Qi2) or 25 W (Qi2.2, since mid-2025). Buyers get two things wrong: wireless charging turns 20–30 % more of the bank’s energy into heat than a cable, so a 5,000 mAh magnetic bank gives about 0.7–0.9 of a phone charge wirelessly; and “MagSafe compatible” at 7.5 W, Qi2 at 15 W and Qi2.2 at 25 W are three different speeds sold under similar words.
Specs and terms that matter
Wireless standard: Qi, Qi2, Qi2.2
Qi2 is the Wireless Power Consortium’s standard built on Apple’s MagSafe magnet layout, with a Magnetic Power Profile of 15 W. Qi2.2, marketed as “Qi2 25W”, raises that to 25 W from mid-2025. “MagSafe compatible” without a Qi2 logo usually means plain Qi at 7.5 W plus magnets. The WPC logo marks a certified product; “Qi2-compatible” is a marketing phrase.
Wireless watts vs wired watts
Most magnetic banks also have a USB-C port at 20–30 W. The cable is faster and wastes less: Qi2 at 15 W behaves like a 12–15 W wired charge with more heat; Qi2.2 at 25 W holds in the low 20s and tapers, close to a 30 W cable on the newest iPhones in user tests.
Capacity
5,000 mAh (about 18.5 Wh) is one wireless charge of a modern phone; 10,000 mAh (37 Wh) is 1.5–2. Both are far under the 100 Wh airline line.
Thickness and weight
A slim 5,000 mAh bank is 100–130 g and under 13 mm; a 10,000 mAh magnetic bank is 220 g and up and doubles the phone’s thickness. The thin ones cost the most per Wh on the site: buyers pay for the form and the magnet, not the energy.
Magnet strength and kickstand
N52 magnet arrays are the common spec; holding through a case, in a pocket and in a crowd is what reviews test. A fold-out kickstand turns the bank into a stand for video. Strap versions exist for concerts.
Phone compatibility
iPhone 12 and later take 15 W from a Qi2 bank; which phones accept the full 25 W of Qi2.2 depends on the model and its software, and the phone maker’s page is the source. “Qi2 Ready” Android phones have no magnets of their own and need a magnetic case; plain Qi phones get 5–10 W and no magnetic hold.
Pass-through and watch charging
Pass-through (charging the bank and the phone at once) is model-specific and not to be assumed. Some banks add a puck for an Apple Watch.
Active cooling
The newest 25 W banks add a small fan to hold speed; without one, both bank and phone throttle to 5–7.5 W once warm.
Marks and recalls
UL 2056 covers lithium-ion power banks; PSE is required in Japan. Several of the Anker models recalled by the US CPSC in 2025 were MagGo and MagSafe-type banks (A1642 and A1652 among them), so a serial check on the maker’s recall page matters here as elsewhere.
Before you buy
- Check what the phone actually takes wirelessly: 15 W for iPhone 12–15 over Qi2, 25 W only on the newest models with current software, 15 W for a Pixel or Galaxy in a magnetic case.
- Look for the WPC Qi2 or Qi2.2 certification logo, not just the word “magnetic”; certification implies foreign-object detection and thermal limits.
- Read the thickness and weight against the phone: a 5,000 mAh slim bank adds about 120 g, a 10,000 mAh one 220 g and up.
- Check the wired port and its watts for the times speed matters; 20–30 W USB-C is typical.
- Read reviews for heat behaviour: whether it drops to 5–7.5 W when warm, and whether it has a fan.
- Check the model number against the maker’s recall page; several 2024–2025 recalls were magnetic banks.
Myths and mistakes
- Wireless is not as fast as wired: Qi2 at 15 W is a 12–15 W charge with more heat, and Qi2.2 at 25 W only approaches a 30 W cable on phones that support it.
- “MagSafe compatible” is not MagSafe speed: without a Qi2 logo it is usually 7.5 W.
- Magnets and magstripe cards: users report hotel keycards and old magstripe cards failing after a stay next to a magnetic bank or wallet; chip and NFC cards are not affected.
- A thin 5,000 mAh bank is a day of maps and photos, not a long-haul flight: one wireless charge, less when the phone is warm.
- Recording video or navigating over 5G while charging magnetically is the fastest way to a heat warning; the cable is the fix when the phone is already warm.
Questions people ask
What is the difference between Qi2 and MagSafe?
Qi2 is the Wireless Power Consortium’s open standard built on Apple’s MagSafe magnet layout, so iPhone 12 and later and Qi2 Android phones all charge from it at 15 W. MagSafe is Apple’s name for its own version. Qi2.2, from mid-2025, raises the ceiling to 25 W; “MagSafe compatible” without a Qi2 logo is usually plain Qi at 7.5 W with a magnet ring.
Will a magnetic power bank work with my Android phone?
Only with a Qi2 phone or a magnetic case. “Qi2 Ready” phones have the electronics but no magnets, so a magnetic case supplies the hold; a plain Qi phone charges at 5–10 W and nothing holds it on.
How many charges does a 5,000 mAh magnetic bank give?
About one full charge of a modern phone wirelessly, slightly more by cable, since wireless charging wastes 20–30 % more energy as heat. A 10,000 mAh bank gives 1.5–2.
Does a magnetic power bank get hot?
Yes; the coil, the phone and the bank all warm up, and both phone and bank throttle, sometimes to 5–7.5 W. The newest 25 W banks add a small fan. When the phone is already warm from video, navigation or 5G, the cable is the way to keep the speed.
Does it work through a phone case?
Through a MagSafe or Qi2 case with its own magnet ring, yes; through a plain case the magnets do not hold and the extra distance cuts the speed.
Can I fly with a magnetic power bank?
Yes: even a 10,000 mAh one is 37 Wh, far under the 100 Wh line, so it goes in carry-on without approval. Since ICAO’s addendum applicable from 27 March 2026 it should not be used or recharged on board, and several airlines banned use during 2025; the airline’s current rule applies.
Sources: US CPSC recall 25-011: Anker MagGo and 321 power banks, US CPSC recall 25-466: Anker power banks (September 2025), UL Solutions: portable power pack testing (UL 2056), ICAO Technical Instructions 2025–2026, Addendum No. 1 (27 March 2026), Stiftung Warentest: 24 power banks tested (January 2026). Reviewed 19 Oct 2026. General information compiled from public sources, not safety or legal advice. Airline rules change often; your airline’s current rule is the one that applies.
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