Kmashi’s stupid-cheap line of external batteries are some of the most popular items we’ve ever posted, but this is the first deal we’ve seen on their higher-end MP828 model.

So what (besides the ridiculously cheap price) sets this battery pack apart? Most notably, it comes with a 5A AC power brick that can charge the entire battery in under four hours, which is more than twice as fast as it would charge with a MicroUSB cable. To give you a sense of context, Kmashi claims that plugging this battery in for just 25 minutes will give it enough juice to charge a dead iPhone 5s to 100%.

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In a world drowning in nearly-identical external battery packs, that qualifies as an innovation in my book. Of course, you can still charge it with a microUSB cable if that’s all you have handy as well. [Kmashi MP828 20000mAh Power Bank, $22 with code SFA4VPGB]


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