12V Solar Charge Controller with USB and DC12V Ports, on/off switch

Solar charge controller is an essential part of nearly all PV systems that charge batteries, to keep your batteries properly charged and discharged, and safe for the long term. 
The solar charge controller is very intelligent with multiple protections against short circuit, over charge/discharge, overload, etc

Batteyr and load output status indication
USB port to charge mobile phones and Pad
DC12V port is to power 12V electrical appliances directly
No settings, just wire and play, simple to use
On/off output switch
12/24V auto and 12/24/48V auto identificaton available
PWM charge mode