Stay charged anywhere with this lightweight power bank (aka portable charger) that fits easily into your pocket or bag. 15,000 mAh recharges a smartphone up to 5 times*, placing the Pocket Power 15K ahead of its class as one of the most powerful portable batteries available. Two universal USB-A ports deliver up to 3.4A of total power to quickly and safely charge devices like smartwatches, fitness bands, headphones, speakers and more. A 5V 2.0A input allows the power bank to recharge quickly between uses, so you can keep moving.