GHB Solar Charge Controller The product can automatically manage the working of solar panels and batteries in the solar system. It is easy to set up and operate. Specifications- Overload/Short Circuit Protection- 1.5 Times by Rated Current DC Output Voltage- 12V Total DC Output Current- 2A Short Circuit Recovery Time- 10s Open Circuit Voltage of Solar Panel- 40V No Load Loss: 0.05W Over Voltage Protection- 15V x2/24V Float Charge Voltage: 14V x2/24V Discharge Recovery Voltage- 12V x2/24V Over-Discharge Voltage- 10.5V x2/24V Working Temperature -35~55C Environmental Protection and Energy Saving No matter at home or on the road, the GHB solar charge controller operates fully automatically, easy to operate. Note- The reverse order applies when de-installing! An improper sequence order can damage the controller! Dual USB Charging Output Inter Dual USB output (1A, 2A), this solar charge controller can simultaneously charge or supply power to two mobile phones, tablet PCs, and other devices that require 5V power. Fully Automatically Makes you use 100% Available Solar Power. (Note- The battery cable should be as short as possible to minimize loss.) Provide Full Protection Over-load protection Short circuit protection Lightning protection Under-voltage protection Over-charging protection Reverse Polarity protection.