... .Notebook Battery 2.Two Output Volt at same time 3.Long work hour, 33000mah 4.charge laptop,pda,cellphone,camera,dvr,mp3... Notebook ... with high capacity build-in lithium battery, it could be used as back up power for a lot of devices and provide ... :about 6 hours, depending on the capacity and charging current; Notebook Battery 33000mah