Update: Sold out
Anker’s PowerCore line is our readers’ overwhelming top pick in the USB battery pack space, and the massive 26,800mAh model is on sale today with promo code 3WXR8IZD.
That’s enough juice to recharge an iPhone 6s up to 10 times, or a Galaxy S7 up to six times, and it even includes dual microUSB inputs so you can recharge it twice as quickly. Trust me, with a battery this size, that’s a big deal.
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