JGmax Ultra Compact Portable Charger 10400mah 2a Output Power Bank External Battery Charger Pack for Iphone, Ipad, Ipad Mini, Nexus, Ps Vita, Gopro, Samsung ,Lg, HTC Compact size with 10400mAh, easy to go and power to supply The metal skin made by high quality fabrication and processing, safe to use and colorful for stylish. High efficiency up to 93% IC solution, 2A output, power to supply and charging fast. Li-Polymer battery inside, one of the most safety material in the industry Anti-explosion Design, CE, PSE Passed Charging Timeabout 13.5 hours