Andream 3000mAh Ultra-Compact Portable Charger Lipstick-Sized External Battery Power Bank Pack for iPhone 5S, 5C, 5, 4S, Galaxy S5, S4, S3, Note 3, Nexus 4, HTC One, One 2 (M8), Nokia Lumia 520, 1020, most other Smartphones - Black YS1022133 1x 3000mAh Original Samsung Battery Cells inside Smart Security Protection: PVM Analog control; Intelligent current shunt; Intelligent multi-protection circuits Flashlight + Strap-Hole Input: 5V 1A; Output: 5V 1A For most cell phones and other 5V digital devices