... 1A Charger 4.2V 1A lithium battery charger (for a lithium battery) constant voltage and constant current charging, charging first ... FOLDBACK limiting output reset: auto recoveryTemperature coefficient±0.03%°C(0~50°C)OUTPUTStart, rise, hold time200ms,50ms,30msSeismic10 ~ 500Hz, ... (maximum output voltage, full load)Temperature, humidity-10°C~+50°C,20%~90%RHStorage temperature,humidity-10°C~+60°C,20%~90% ...