"Features:
100% Brand new and high quality!
Automatically manage the working of solar panel and battery in solar system.
Overloading & short-circuit protection. Reverse diacharging & reverse-polarity protection.
Under-voltage and over-charging protection. Protection from lightning strike.
Prolong the battery life cycle and keep the load work well.
Easy to set up and operate. Suitable for small solar energy system.
This controller can charge and discharge at the same time. It has perfect SOC function, control charge current, and supply power to the loads.
The controller will automatically compensate the temperature of the charging voltage according to the changes of ambient temperature.

Specifications:
Batt voltage: 12/24V
Charge Current: 20A
Discharge Current : 20A
Max solar input: <50V
Equalization: 14.4V
Float charge: 13.7V(defaul, adjustable)
Discharge stop: 10.7V(defaul, adjustable)
Discharge reconnect: 12.6V(defaul, adjustable)
USB output: 5V 3A
Self consume: <10mA
Size: 130*70mm

Package Includes:
1 * Solar Charge Controller"