Rv Battery Isolator Installation

Dual battery isolator setup protects your starting battery.

Rv battery isolator installation.

Follow the wires attached to the battery isolator and make a note of which terminal is attached to the chassis battery the coach battery and the alternator. The van s alternator is designed to keep a float charge 13 8v on a starter battery as well as provide enough power to keep all of the van s equipment running such as lights and a stereo. On one of our earliest rv adventures we learned the hard way about the importance of a battery isolator system. For your battery isolator similar to dw08771 you will have connection posts for each battery and for an alternator the main battery will connect to position one and the alternator to the a post.

The rv had stolen power from the truck battery leaving us wandering around with a set of jumper cables looking for a hot jump p. Dual battery isolator kit 12v 140 amp voltage sensitive relay vsr dual battery kit smart automatic charger for marine car utv atv rv boat camper truck 4 6 out of 5 stars 3 98 89 98. The second battery will attach to the 2 via a circuit breaker that is rated appropriately for the battery. A battery isolator only transfers power from the alternator to a secondary battery.

Sign up for the pys newsletter. Over the years we have killed the starting battery on every vehicle by running our laptops charging cell phones and leaving the vehicle s dome light on. A battery isolator separates multiple batteries from one another to ensure that a vehicle has access to a backup power source. An rv battery isolator may be cylindrical or flat and covered in fins like a heat sink and will conventionally have three terminals.

Step by step battery isolator install 12v 140 amp dual battery isolator by keyline chargers voltage sensitive relay vsr pro dual battery kit. After our first night on the road a chilly one where the furnace ran during the night we found we couldn t start the truck up.