By Andrew Liszewski

The average smartphone’s battery provides around 2,500mAh of power—usually enough to get you through the day. Anker’s new PowerHouse, which is about the size of a cinderblock, boasts 120,600mAh. You can use it to recharge your phone for up to 40 days straight if for some reason your power has gone out.

This Monstrous Battery Can Charge Your Phone for 40 Days After the Apocalypse

It’s not limited to only topping up your smartphone, either. In addition to four USB ports on the front, there’s also a 12-volt DC outlet for powering gadgets designed for your car, and a standard three-prong outlet for powering anything that plugs into a wall. The PowerHouse can recharge a laptop 15 times over, or even keep a mini fridge running for up to seven hours.

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