Feature: 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 Material: ABS Charging Type: PWM Operating Voltage: 12V 24V automatic recognition Maximum Charge Discharge Current: 30A Maximum PV Input Power: 390W (12V), 780W (24V) Standby Consumption: ≤12mA Operating Temperature: -20°C-+55°C Terminal Wire Gauge: 28-10AWG Waterproof Rating: IP32 Application: Applicable for solar photovoltaic systems such as home power generation, base stations, RVs, yachts, and ships. Package List: 1 x Controller1 x Manual