Yoobao Portable 5200mAh External Backup Battery Power Bank Charger (Color: Silver) For ZTE Midnight Z768g (Net10) / Whirl / Valet / Source / Majesty / Savvy / Warp 4G / Z998 / Awe / Reef / Overture Universal power pack: Suitable for mobile phones, iPhone, iPad, HTC, SAMSUNG, Blackberry, Nokia, PSP/NDSL, and MP3/MP4 players Exterior structure is made of strong aluminum alloy offering high quality, light weight, low density for better heat dissipation and stronger crush resistance. High Capacity of 5200mAh using Samsung Grade A rechargable lithium Ion battery. Input: 5V DC, 1,000mA - Output: 1,000mA - Size: 93.5*41.4*23mm - Weight:129g Package includes: 1x Yoobao Silver Power bank (5200mAh), 1x Micro USB cable, User manual