About this item 【100% Efficient MPPT Charging】SOLPERK 12V MPPT solar charge controller automatically monitors the 12V DC system voltage and is 30% more efficient compared to PWM controllers, which will get your batteries fully charged faster 【Design for 12V Battery】The Solar Controller features LED indicators for easy monitoring of battery and panel status. Extremely portable and compact, the charge controller is designed for 12V batteries and compatible with a wide range of 12V batteries including AGM, Lead Acid,Gel, Deep Cycle, Sealed, Flooded, and LiFePO4 lithium batteries 【100% Waterproof Charge Controller】The solar charge controller is designed for durability in all weather conditions. Charge controller features a waterproof seal that protects it from rain, snow, and dust, making it ideal for outdoor applications 【Intelligent Protection】The solar controller not only extends battery life, but also has multiple protection functions: Battery under-voltage, over-voltage, output overload, short circuit, battery, anti-back connect protection 【Indicator Monitoring】You can know its current working status through the three indicators on the charge controller. The blue light means the panel is connected properly, the red means battery is connected properly, and the green means the battery is full 【Simple Installation and Operation】The charge controller features SAE port for easy plug-and-play connectivity. It comes with a manual that provides clear connection instructions › See more product details