3 12V Battery Parallel System with SolarThe Connect-Ease allows connecting three 12-volt batteries in parallel to provide users increased runtime when away from any wired, plug-in power source. The Connect-Ease (3) 12V parallel system was specifically with RV and off-grid enthusiasts in mind whose power requirements may also require a "solar" connection. It is compatible with other solar products, and does provide a direct Heat Shrinkable accessory splice connection that can be used to input to a solar panel; other additional, third-party low amperage accessories can be added.Features: Plug & Play Connections are Lithium Compatible Solar connection designed to recharge all 3 12V batteries Handles 60 to 240 amps of DC power Lithium Compatible