Features Function: This battery charging protection module has the function of automatic charging and power-off, preventing the battery from starting to charge under voltage, and preventing the battery from over-voltage and stopping charging. Stable Performance: The charging controller module is small in size, large in current, accurate and stable in turn-off voltage, thoughtful in protection, and reliable in functional performance. Premium Materials: This battery charging protection module is made of high-quality materials, thick circuit board, long-lasting performance, and a maximum limit of 30A. Easy To Use: With this automatic charging module, you can save worry and save energy at the same time, which is very convenient and flexible. Intimate Service: We provide 10-day worry-free return and exchange service for all customers. If you have any questions about our battery charging protection controller, you are welcome to contact us and we will serve you wholeheartedly. Descriptions: This battery charging controller Module, features automatic charging, automatic power off. This module maximum limit is 30A. With this automatic charging Module, make you relieved, and save energy at same time Specification: Name: Charge Control Module Model: YX-1708 Battery Type(Optional): 12V, 24V, 36V, 48V Voltage Deviation: ±0.1V Load: 30A Weight: Approx. 60g Quantity: 1pc Package List: 1 x Charge Control Module Note:  Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow 1-3cm differences due to manual measurement. Thank you for your kindly understanding. Package List