Features 1Intelligent Power Loss Prevention: Equipped with a power loss prevention controller, it can intelligently monitor the battery status and perform precise maintenance to avoid power loss issues. 2Efficient Charging: The solar charge controller uses 10W 12V solar panel to provide continuous charging for car batteries, ensuring that there is no power loss during long term parking. 3Safe and Reliable: Complies with international safety standards, provides safe and reliable usage guarantees, and protects car batteries from issues such as overcharging and discharging. 4Waterproof Design: The 12V MPPT solar charge controller shell provides excellent waterproof performance and is suitable for use in various harsh weather conditions. 5Energy Saving and Environmental Protection: Utilizing solar energy as energy, reducing electricity consumption, and making it more environmental protection. Specification Item Type: MPPT Solar Charge ControllerProduct Material: ABS, Monocrystalline SiliconWeight: Approx. 382.00g / 13.47ozSolar Panel Power: 10WController: MPPT USB OutputSolar Panel Size: Approx. 32x12cm / 12.6x4.7in Package List 1 x Solar Panel1 x Controller1 x Cigarette Lighter1 x Connection Cable1 x Clip Note Without power storage function.