Capacity: 23000mAh with Reliable Lithium Polymer battery cells. * 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. * Input: DC 15-20V 1.2A Solar Charger:15V 150mA. Output: DC 12V/16V 2A 19V/3A USB 5V/2A. 4 Integrated LED Power status indicator lets you know exactly how much power is left. * 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 * Size: 22.2*12.6*2.1cm, Size: 100*70*23mm, Stylish & portable design; Perfect for long plane flights, road trips; Carry the mobile power wherever you go; charge your devices any time any where