... massager, fan, light etc.Technical Specifications-1indicationstatusFAULTlamp onOverload, inverter will shut down automatically when switching to battery for ... at city power modeBUZZEROverload , low battery , or inverter failureTechnical Specifications-2 Power (w)3005007501k1.5k2k3K4k5KInput Voltage ... as the battery capacity. UPS power inverter --solar power ,low frequency inverter , pure sine wave