... ,low temperature 3.Short-circuit,Overload protection high quality,prompt 16.8V 800mA Charger16.8V 800mA Lithium battery charger (Li-ion ... , hold time200ms,50ms,30msSeismic10 ~ 500Hz, 2G10min / 1 cycle, duration 60 minutes,each axisPressure ofthe input - output: 1.5KVACEfficiency> 75% (maximum output ... %RHStorage temperature,humidity-10°C~+60°C,20%~90%RH 16.8V 0.8A battery charger 0.8a