... LCD display inverter 3,pure sine wave inverter 4,super charger inside 5,CE ,SONCAP solar system use solar inverter ups 2500w ... ,over-heating,etc.5.Easy to check with inverter with consice LED indication that can be upgrade ... range12V model : 12 ~ 21Vdc;24V model : 24 ~ 42Vdc;48V model : 48 ~ 84VdcCharging methodConstant voltage with current limiting by ... *179Weight(Kg)4000W/35kg ;5000W/38kg ;6000W/40kg