Scuba Tank Battery Bank - Scuba Themed Ultra-Compact Portable Charger Lipstick-Sized External Battery Power Bank for iPhone 6 5s 5c 5 4S, Galaxy S5 S4 S3 Note 3, 4, Nexus 4, HTC One M8, Nokia Lumia 520, 1020 Capacity: 2200mAh (will charge Iphones, Samsung Galaxy, GoPro, SeaLife MicroHD ) Input 5V/1A (charges via USB cable) Indicator light on the bottom of charger lights up to show charge level, connection, low charge warning. USB Output 5V/1A Battery Cell: Lithium Ion