Features: 1.Function: The 12V 24V system voltage is automatically recognized, and the upgraded 3 stage PWM charging algorithm is used to perform periodic or over discharge equalization charging for the battery, effectively preventing battery imbalance and vulcanization. 2.LCD Display: The controller provides dot matrix graphic LCD screen and one key human machine interface, user friendly browser and dynamic interface design, which can clearly display status and data. 3.Comprehensive Protection: With TVS light protection, industrial grade design, it can work normally in various harsh conditions, also designed with overcharge, overdischarge, overload protection, short circuit protection. 4.Adjustable Parameters: Support switching mode and parameter configuration, large screen LCD display with backlight, adjustable charging and discharging parameters, with power off memory function. 5.Multiple Load Working Modes: Adopt temperature compensation, multiple load working modes, advanced load starting method, large capacity load can be started smoothly, suitable for different types of loads. Specification: Item Type: Solar Charger Controller_x000D_ Material: ABS_x000D_ Charging Type: PWM_x000D_ Working Voltage: 12V 24V Automatic Identification_x000D_ Maximum Charge and Discharge Current: 40A_x000D_ Maximum PV Input Power: 520W (12V), 1040W (24V)_x000D_ Standby Consumption: 12mA_x000D_ Working Temperature: -20-+55_x000D_ Terminal Wire Gauge: 28 - 10AWG_x000D_ Waterproof Grade: IP32_x000D_ Applicable Scenarios: Solar photovoltaic systems such as home power generation, base stations, RVs, yachts, ships, etc. PackageList: 1 x_x000D_ _x000D_ Solar Charger Controller 1 x Manual