Anker

Anker 621 Magnetic Battery (MagGo)

Name: Anker 621 Magnetic Battery (MagGo)
Brand: Anker
Availability: InStock

£39.95 £44.95

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Frequently Bought Together With

Premium MagSafe Charging Dock | Novoa Vision Pro

£38.95 £48.68

Novoa FineCase 17

Black / iPhone 17 Pro Max

£24.95

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Description

Anker 621 Magnetic Battery (MagGo) — A1610

A pocket-thin power bank that snaps on and just works. Anker 621 (MagGo) delivers a clean, cable-free top-up for MagSafe iPhone — perfect for commutes, nights out, and “one more meeting” days. The 5,000 mAh cell gives meaningful extra time, the magnets align automatically for stable wireless charging, and a USB-C port is there when you want a quick wired boost. Anker’s MultiProtect keeps everything safe, so you can charge with confidence.

Why you’ll love it

Snap-on simplicity — magnetic alignment locks your iPhone in place for reliable wireless power on the move.

Real capacity, tiny footprint — a 5,000 mAh pack designed to disappear behind your phone or slip in any pocket.
Anker

Charge your way — wireless up to 7.5 W for iPhone, or use the USB-C port for cabled top-ups and to recharge the bank.

Built for everyday carry — slim, lightweight design with a scratch-resistant exterior and Anker’s MultiProtect safety tech.

Key specs

Capacity: 5,000 mAh portable magnetic battery.

Wireless output: up to 7.5 W (MagSafe-style for iPhone).

Port: USB-C for recharging the bank and optional wired output.

Size & weight: approx. 4.13 × 2.62 × 0.45 in; ~129 g (varies slightly by finish).

Safety: Anker MultiProtect (temperature, current, and voltage safeguards).

Compatibility notes

Designed for MagSafe iPhone (iPhone 12 or newer). Use with no case or a magnetic/MagSafe case for the best hold and charging stability.

Pairs well with

In stock! Ships within 1-2 business days.

30-day risk-free trial

1-Year Warranty

Free shipping & returns

Anker 621 Magnetic Battery (MagGo)

£39.95 £44.95

Explore the Specs

Capacity & Output

5,000 mAh cell; magnetic wireless output up to 15 W.

Ports & Recharging

1× USB-C port for recharging the bank and optional wired output; ~2 h recharge with 12 W adapter.

Size & Weight

4.13 × 2.62 × 0.45 in; approx. 129 g.

Compatibility & Notes

MagSafe iPhones (12 or newer) with no case or a magnetic case; not recommended for 12/13 mini; magnetic/metal attachments can interfere.

How many charges will I get?

Pick your phone to see estimated full charges for each battery size.

Choose phone

2500 mAh

—

for your phone @ 85% eff.

Day trips

5000 mAh

—

for your phone @ 85% eff.

Weekend ready

Estimates assume ~85% real-world efficiency. Actual results vary with usage, temperature, and cable/wireless losses.

5,000

Pocket power

A quick boost when it matters.

15W

Magnetic wireless

Snap-on charging for iPhone.

Thinner Than You Think

A compact 5,000 mAh pack that slips into any pocket and disappears behind your iPhone.

Snap-on power, pocket-thin.

Made for One-Hand Days

Light, grippy, and balanced in the hand so you can text while you top up.

Snap-On Power

Magnetic alignment locks in for up to 7.5 W wireless charging on MagSafe iPhone.

What people are saying

Amelia P.Verified Buyer
“Snaps on, stays put, and saves the day.”

Lewis K.Verified Buyer
“Pocketable power that doesn’t weigh me down.”

Nadia R.Verified Buyer
“USB-C means I can top up my buds, too.”

Tom J.Verified Buyer
“Exactly the right size for daily carry.”

Novoa

For Your Apple Devices

FAQs

Please visit our Help Center page to find out more.

Which iPhones does it work with?

It’s built for magnetic wireless charging on iPhone; Anker lists 12/13 series support, and current UK listings show 12 through newer models. Check your exact iPhone model before purchase.

Can it charge by cable too?

Yes—the USB-C port recharges the bank and can provide a wired charge to a device.

How fast does it recharge itself?

About ~2 hours with a 12 W USB power adapter (sold separately).

Is it heavy or bulky?

It’s slim and pocketable: 4.13 × 2.62 × 0.45 in, ~129 g—designed to disappear behind the phone.