The Blue Sea Systems Add a Battery Kit 120A (Model: 7650 - BSS) is a great solution for managing two batteries. It simplifies switching between batteries, isolates engine and house circuits, and can combine batteries for emergency starting. The kit features tin - plated copper studs that offer maximum conductivity and corrosion resistance. It automatically combines batteries during charging. Operating this kit is as easy as using an ON - OFF switch. It includes a Dual Circuit Plus™ Battery Switch and an Automatic Charging Relay, streamlining the switching process and automating charging. All you need to do is turn the battery switch ON when you arrive and OFF when you leave. The box contains a 5511e battery Switch and a 7610 SI - ACR relay.

Using this Blue Sea Add - A - Battery Kit is super easy. First, make sure your battery switch is in the OFF position before installation. Once installed, when you arrive at your destination, simply turn the battery switch ON. This will allow the system to manage the charging and switching of your two batteries automatically. When you're about to leave, turn the switch OFF. As for maintenance, regularly check the tin - plated copper studs for any signs of corrosion. If you notice any, clean them gently with a soft cloth. Also, keep the battery switch and the relay in a dry place to avoid damage. Remember, don't overload the system and always follow the safety instructions during installation and use.