... LCD display ,pure sine wave inverter/charger(converter) HBC-PSW1000VA, HBC-PSW2000VA, HBC-PSW3000VA, HBC-PSW4000VA, and HBC-PSW5000VAService occasions: ... systems, communication systems, hospitals, lighting tools, and storesParameters:Output voltage: 220V±10% or 110V ... automatic stabilized frequencySwitching type: auto switch in 3sOutput wave form: sine waveEfficiency: ≥0.7Battery method: HBC is the ...