The solar controllers are integrated electronic amalgamated which do not require replacements. Overload & short circuit protection. Protection against contrary discharge & contrary polarity. In normal working condition, both pass-through charging and floating charging are available, so the battery life is increased Five workloads: pure lighting control, lighting control and timing control, manual operation mode, and debugging. LED settings and display, one button to complete all settings, intuitive and easy to use. Product Description Specifications: Color: Black Material: Plastic Rated Voltage: 12V / 24V (Automatic Switching) Max. Charge/Discharge Current: 20A Max. Solar Panel Input Voltage: =50V Shutdown Charging Voltage: 14.7V/29.4V Recovery ...