Right now you can grab Kmashi's 20000mAh power bank for $20 at Amazon with coupon code 3Z9KLROS, a savings of $13. The power bank is Quick Charge 2.0 compliant, so you'll be able to charge your phone fast while on the go. The ultra-slim design keeps it at just over half an inch thin, and the built-in LED flashlight can come in handy during an emergency situation.
If you find yourself wishing you had some more power to get through the day, you'll want to grab one or two of these to keep around. Remember, you will need coupon code 3Z9KLROS for full savings.
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