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Anker 621 Magnetic Portable Charger (MagGo), 5,000mAh Wireless Power Bank with USB-C Cable, Magsafe-Compatible Battery Pack for iPhone 16 /15/14/13/12 Series

TLDR Review: Anker 621 MagGo Charger

By ShopSavvy Team

Published: September 26th, 2025

Pros

•Strong grip thanks to the MagGo feature, making it ideal for MagSafe devices.
•Functions well as a portable battery, especially for smaller phone batteries and emergencies.
•Slim and compact design enhances portability and is easy to carry.
•Reliable and effective over prolonged use, even while using the phone.
•Provides a full extra charge, boosting phone battery life when needed.
•Trusted brand with a good reputation for quality and reliability.
•Seamlessly connects to iPhones with MagSafe capability.
•Supports fast charging via US to C cable.
•Sturdy construction with protective features preventing scratches.

Cons

•Battery overheats, which might raise concerns about potential damage and personal safety.
•Wireless charging is slow, taking about 3.5 hours to fully charge a phone.
•Charging speed is generally slow, sometimes taking over an hour to make minimal progress.
•Does not fully charge the phone, typically reaching only 50% before depletion.
•Larger form factor can make it inconvenient to use with one hand.
•Heating during use can be uncomfortable, especially when stored in a pocket.

Bottom Line

The Anker 621 Magnetic Portable Charger provides a mix of convenience and reliability, with its strong magnetic connection and compact design. While it's a good choice for emergencies or topping off small phone batteries, users should be aware of the potential heating issues and slow wireless charging speeds. If a priority is faster wireless charging, consider looking at alternatives with higher charging speeds. Nonetheless, its overall performance makes it a solid companion for those with MagSafe-compatible devices.

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$29.74 at Amazon

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 8 retailers to give you the short version.