... rate,low temperature 3.Overload protection prompt delivery CE 13.8V 1A Charger13.8V 1A Lead-acid battery charger ... : FOLDBACK limiting output reset: auto recoveryTemperature coefficient±0.03%°C(0~50°C)OUTPUTStart, rise, hold time200ms,50ms,30msSeismic10 ~ 500Hz, 2G10min ... load)Temperature, humidity-10°C~+50°C,20%~90%RHStorage temperature,humidity-10°C~+60°C,20%~90%RH 13.8V 1A Universal Charger