... Power battery capacity: (Mobile Power battery capacity)SB-A 3.7 V 12000 MAH 13 "LAPTOP working 2 ... products.b.(eight file adjustable output) 3 V 1 A, support AA battery box of charging, LED head ... requirements of digital products.9 V / 12 V 2 A, support zoom digital camera, DV, portable electric drill, ... computer,laptop computers ECT.16/19/22/24 4 A, support online computer, laptop computers ECT. 16 V ...