This series solar charge controller is a kind of intelligent, multi-functional solar charge and discharge controller. All the controlling parameters can be reset flexibly to satisfy your different needs.

Features:
Visual LCD graphic symbol, brief key operation.
Automatic identification system voltage level, intelligent PWM charge mode.
Adjustable charge/discharge control parameters, settable operating modes of loads.
Multiple selection of battery.
Battery over temperature protection, low voltage/reverse polarity protection.
Over-load and short-circuit protection.
With dual USB 5V output.

Specifications:
Color: Black
Material: Plastic
Rated Voltage: 12V / 24V (Auto Switch)
Max. Charge/Discharge Current: 10A / 20A (Optional)
Max. Solar Panel Input Voltage: ≤50V
Stop Charge Voltage: 14.7V/29.4V
Low Voltage Recovery: 12.2V/24.4V
Low Voltage Protection: 10.5V/21.0V
USB Output Voltage/Current: 5V 2A
No Load Loss: ≤10mA
Temperature Compensation: -3mV/Cell/°C
Operation Temperature: -20°C~60°C
Item Size: 13 * 6.8 * 2.5cm / 5.12 * 2.67 * 0.98in 
Item Weight: 120g~152g / 4.23oz~5.38oz
Package Size: 14 * 8 * 4cm / 5.51 * 3.15 * 1.57in
Package Weight: 154g~187g / 5.46oz~6.61oz