... Notebook Battery 2.Two Output Volt at same time 3.Long work hour, 33000mah 4.charge laptop,pda,cellphone,camera,dvr,mp3... Notebook ... BatteryThe products is a commercial portable power with high capacity build-in lithium battery, ... . **Specification:1. Built-in rechargeable lithium battery (33000mAH/3.7V);2. Input voltage: DC12 ... capacity and charging current; Notebook Battery 33000mah