Features: 1.Feature: Automatic voltage recognition, adopts 3 stage PWM charging algorithm, periodicity or over discharge balanced charging, effectively prevent battery imbalance and vulcanization, prolong service life. 2.Load Working Modes: Temperature compensation, multiple load working modes, advanced load starting method, large capacity load can be started smoothly, suitable for different types of loads. 3.Design: Adopts dot matrix graphic LCD screen and one key human machine interaction, TVS light protection, humanized interface design, convenient and fast operation, can work normally under various harsh conditions. 4.Adjustment: Charging parameters can be automatically adjusted, the LCD display can clearly display status and data, convenient switching mode and parameter configuration, with power failure memory function. 5.Parameter: With overcharge, overdischarge, overload, short circuit protection, automatic identification of working voltage, 30A maximum charge current, 390W, 780W maximum photovoltaic input power. Specification: Item Type: Solar Charger Controller_x000D_ Material: ABS_x000D_ Charging Type: PWM_x000D_ Operating Voltage: 12V 24V automatic recognition_x000D_ Maximum Charge Discharge Current: 30A_x000D_ Maximum PV Input Power: 390W (12V), 780W (24V)_x000D_ Standby Consumption: 12mA_x000D_ Operating Temperature: -20C-+55C_x000D_ Terminal Wire Gauge: 28-10AWG_x000D_ Waterproof Rating: IP32_x000D_ Application: Applicable for solar photovoltaic systems such as home power generation, base stations, RVs, yachts, and ships PackageList: 1 x_x000D_ _x000D_ Controller 1 x Manual