1. MPPT+PWM Coexist Function: The solar charge controller automatically adapts to the appropriate charging mode (MPPT/PWM) and adjusts charging based on battery type. 2. Small Tip: Lithium batteries require MPPT charging, while 12V lead-acid batteries are compatible with PWM charging. 3. LCD Display: Features a large-screen LCD display showing charge and discharge current, cumulative power generation, discharge power, temperature, light control, and delay control. Offers adjustable charge and discharge parameters with power-off memory function. 4. Dual USB Ports: Equipped with dual USB ports, supporting up to 2.5A total output for phone charging. 5. Multiple Protections: Includes built-in protection against short circuit, open circuit, reverse connection, overload, and reverse current. Low heat generation with self-recovery functionality. Adjustable system control parameters for easy setup and operation. Compatible with solar garden lights, solar light boxes, advertisement boards, solar lamps, residential solar power systems, marine solar power systems, and outdoor solar power setups. Note: Slight variations in appearance may occur due to different production batches; these do not affect performance. Specification: 100A Color: Black & Green Material: Plastic Package Contents: 1 x Solar Panel Charge Controller (Other items not included) Note: Lighting and display differences may cause slight color variations between the image and actual item. Measurement error allowed: +/- 1-3 cm.