new type,pure sine wave INVERTER/CHARGER HBC-PSW1000VA, HBC-PSW2000VA, HBC-PSW3000VA, ... , lighting tools, and storesParameters:Output voltage: 220V±10% or 110V automatic stabilized voltageCharging input voltage: 220V±10%Output frequency: 50Hz ... external connected batteryUndercover voltage protection: single 12V battery, us14.5-15V (other voltage is multiplied) new type,pure sine wave INVERTER/CHARGER