1.Full fire-resistant material, 2.constant current charge, 3.long-life non-corrosive Ni-Cd battery Features:1) Full fire-resistant material, constant current charge2) Constant current charge, fault-, over-charge and over-discharge protected3) Long-life non-corrosive Ni-Cd battery4) Easy to be maintained, convenient to operate, safe and reliable5) Designed according to Chinese GB17945-2000 ...