It’s like having two separate power sources for each battery while only having one alternator! 【Wide Compatibility】Compact and easy to install, four mounting holes make installation quick and easy.
Important Note: This item is not compatible with Lithium Batteries. Suitable for 12v camper van trucks, caravans, RV, ATV, UTV, Boat and camping applications. Made of high-quality material casing to protect the battery isolator, and the interior is sealed with silicone to make it waterproof.