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The Mophie Prime 20 is a 20,000 mAh portable power bank with two USB-A ports and one USB-C port, so it can charge three devices at once. The USB-C port supports 18W Power Delivery, enough for fast charging on phones and tablets, and it doubles as the input for recharging the bank. Its case is made with up to 50% post-consumer recycled plastic, and a 1 m USB-C to USB-C 60W cable is included. It suits commuters, travelers and anyone who needs multi-day backup power, though at 20,000 mAh it is heavier than pocket-size 10,000 mAh banks.
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Lowest price we've seen: $19.89 on Nov 13 at eBay. Tracked across 5 stores since Nov 13.
Owners rate it highly, with 4.5 out of 5 from 38 ratings. They value the large capacity and the ability to charge several devices at once, and the included USB-C cable is a common plus.
The Mophie Prime 20 is a portable power bank with a 20,000 mAh lithium-ion internal battery. It gives USB-C and USB-A devices back-up power, including phones and tablets. The housing is made with up to 50% post-consumer recycled plastic.
It has two USB-A ports and one USB-C port, so it can charge three devices at the same time. The USB-C port works in both directions. It can charge a device, and it can also recharge the power bank itself. A 1 m USB-C to USB-C cable is included.






