Model: This advanced MPPT Lithium Solar Controllers Board is designed to optimize the efficiency of your solar power system, ensuring maximum energy conversion and reduced waste. Quality: this charging board is built to last and deliver consistent performance under various environmental conditions. Type Charging Board: Specifically engineered for managing solar energy, this board facilitates effective charging control, making it ideal for both residential and commercial solar setups. High-Concerned Chemical Free: Our product is free from harmful chemicals, ensuring safety and environmental friendliness. It's designed to be safe for use in a variety of settings without compromising on quality or performance. Description/Features: Harness the power of the sun efficiently with our advanced CN3795 MPPT Solar Photovoltaic Charging Module. This device is specifically designed for lithium batteries, utilizing Maximum Power Point Tracking (MPPT) technology to ensure you extract the maximum possible power from your solar panels or other photovoltaic systems. Simply connect your solar panel to one side of the module and your lithium battery to the other to begin charging. The MPPT technology adapts to changes in light intensity, optimizing the photovoltaic cells' output power and maximizing solar energy utilization. Specifications: Size: Approximately 3x5 cm (1.18x1.97 inches) Package Includes: 1 Pc Charging Board Note: 1. Please allow a 1-2 cm margin of error due to manual measurement. Ensure this is acceptable before ordering. 2. Color and detail may vary across different monitors, so the product image may not reflect the exact appearance of the item. Color: As Shown Material: Metal+Plastic Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.