Key features��High frequency Grid Hybrid design, combine grid power and solar power together��inverter, AC charger, solar charge controller and also battery combined together, no complicated installation��trolley with wheel, easy to move��DC output Connector for USB charger, DC lamp and the other DC load�� modified sine wave output��PWM three stage battery charger and Battery type selector to improve Battery life��LCD and LED display��Automatic transform between Bat mode and Line Mode is optional��PV cable for PV array is optionalTechnical Specifications Mode ST100-300 ST100-500 Continuous power (W) 300W 500W Surge capability (W) 600W 1000W System DC input (VDC) 12V 12V AC output 110 / 120V/ 220V/230V ��5%, 50HZ or 60HZ. With 2 sockets Output waveform Modified Sine Wave under battery model DC output USB and Terminal Efficiency >85% Inverter Static current around 0.2A around 0.25A AC/DC Charger 10A, with manual switch 10A, with manual switch Solar Charge Controller PWM, 12VDC10AMP PWM, 12VDC15AMP Advised PV Cell 36 Cell Advised PV output Amp < 10AMP < 15 AMP Combine battery Capacity 1*100AH/12VDC, AGM or GEL External battery back 12VDC.Optional External cable Switch AC Output switch, AC input switch (AC/DC Charger), Solar Controller Connection switch. DC output switch Battery low protection YES Over discharge protection YES Resume YES. After fault remove Over voltage protection YES Overload protection YES With cooling fan YES Display LCD for BAT VDC and Load Capacity , LED charge state ,Battery Capacity, DC load state and fault Running Temperature -35 degree to 55 degree High temperature protection YES,60��-70�� Short circuit protection YES Reverse polarity protection YES,by Fuse or self-renew Carton Package(cm) 47*32*57(L*W*H) 47*32*57(L*W*H) Gross weight kg 40KG with Bat 41KG with Bat ATTENTION For the ST-100 Series. When you input AC, it will work under AC mode and AC/DC Charger will work too unless shut off AC switch