The last thing anyone wants at the end of a long day is to look down at their phone and see its battery almost dead. One way to avoid that is to keep a compact power bank on you at all times, and it’s arguably easiest to do that with one like Anker’s 621 MagGo portable battery. This sleek, 5K magnetic brick attaches to the back of your iPhone to power it up, even while you’re still using it. Now, it’s on sale for 30 percent off — you can pick up any of five coloways for only $28 a pop.
This particular model didn’t make our list of the best power banks, but plenty of other Anker products did. The 621 MagGo is equipped with magnets that attach to the back of certain iPhone models, which makes it easy to charge up the handset while still using it. The 5,000 mAh device can juice up the latest flagship iPhone 16 Pro Max to around 60 percent when fully charged.
Anker
This is a thin and light device, so it’s perfect for pockets, purses, backpacks and just about anywhere else. It charges up via an included USB-C cable.
As a warning, the Anker 621 MagGo requires a magnetic connection via the smartphone itself or a magnetic case. It won’t work with non-magnetic cases. It also runs a bit hot, reaching internal temperatures of up to 118 F, which could be something to keep an eye on during use.
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