Lomui&reg; 10000mAh Full Capacity Brilliant Ultra Slim Dual USB (2.1A / 1A Output) Portable Power Bank External Battery Charger for iPhone iPad Samsung Galaxy Android Phone Smartphone Tablets Pc Bluetooth Speaker (Blue) Capacity: 10000mAh with Reliable Lithium Polymer battery cells, Supply about 250%~300% of Samsung GalaxyS4 battery life, or 150%~200% of Google Nexus 7 battery life 2 USB Output: 5V 1.0A ~ 2.1A, design for charging phones and tablets, up to 3A output, Can charge 1 Tablet and 2 Smartphones simultaneously. 4 Integrated LED Power status indicator lets you know exactly how much power is left Battery Type: Li-polymer battery, Li-polymer battery is more stable and safe than Li-ion battery, such as both iPad and iPhone use the safer Li-polymer battery. 500+ recharge cycles over the life of the battery Stylish & portable design; Perfect for long plane flights, road trips; Carry the mobile power wherever you go; charge your devices any time any where Security protection design: short-circuit and over current protection; The device will automatic shutdown when short circuit or overload output happened to avoid destroy the device and accident