SP500B: Supply DC power and AC power, suitable for lighting, mobile phone charging, TV, computer, run the AC fun, radio etc.
Built-in PWM charge controller,12V/55A battery( maintenance free), 500w inverter which can be extract, 70W/17.5V Solar panel. Max input solar panel power 125W.
With AC220V,DC12V,DC5V USB output. LED display together with voice warning when battery get low.