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Dual Battery Isolator

Prevent a Dead Battery by Installing a Dual Battery Isolator Relay

Prevent a dead Battery. Install a Dual Battery Isolator by Keyline sold at Amazon.com. This is a voltage sensitive relay. It charges both starter battery and solar system batteries. Please watch my video on how to install a VSR yourself.

Dual Battery Isolator Kit – enables your accessories to run from a separate battery while the engine is not running on your vehicle while keeping your main battery charged and your vehicle always ready to go and start when you want it to. This dual battery isolator kit features 12 Volt 140 Amp Voltage Sensitive Relay Isolator and includes all the bits and pieces needed for a complete installation.

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