1.SMPS battery charger 2.Multi protections 3.Life Expectancy: 50,000H at 25 ... .3-stage charging mode: CC(constant current), CV(constant voltage) and float stage. 5. Reliable, elegant,Small size, light, 6.charging state ... ,000H at 25 Degree Storage conditions: Ambient temperature: -40°C to +70°C; RH: 0% to 95%; Max. altitude: 20000 meter. Apply ...