Update: This popular deal is back with a new coupon code. Be sure to use RNR3JP7V for the full savings!

Right now you can pick up Kmashi's 10000mAh power bank for just $9 at Amazon with coupon code RNR3JP7V, a savings of $5. With its larger capacity, you should be able to charge your phone or tablet anywhere from 2 to 4 times per charge of the battery pack, which means you shouldn't have to worry about powering your way through even the longest of days. It has two USB outputs so you can charge multiple devices at the same time, and there are built-in LEDs which show how much power is remaining inside of it.

Don't get caught with a low battery and no way to charge it while out and about. Be sure to pick one up with coupon code RNR3JP7V right now!

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