PWM Solar Controller STS-1220

Features

1.Three battery charging settings have been preset

(B01 Lead acid battery,B02 Lithium ion battery, B03L ithium iron phosphate battery),

according to the types of batteries, with power-off memory function, which can remember the settings when users power on next time.

2.Large-screen LCD display, charging and discharging parameters can be fully customized.

3.Adopt complete three phase PWM charge management(Constant current mode, constant voltage mode, floating charge mode).

4.Built-in overcurrent/short circuit/open circuit and battery reverse protection.

5.Double MOS tube anti-reverse circuit protection,

which prevents battery current from being caused power losstransferring to the solar cell at night.