RV Dual Battery Isolator Kit

KIT Features:

  • Suitable for any type of RV and Off-Road Vehicles
  • 12V and 140a sensitive relay
  • Designed as priority charging
  • Safe and tested with alternator
  • Automatic with indicator
  • DIY technology


BUY RV Dual battery kit now!

RV Dual Battery Kit Isolator Inclusions:

  • 1 – 140 Amp Voltage Sensitive Relay
  • 1 – 19ft 6ga length of battery cable
  • 1 – Ground cable
  • 2 – Positive brass marine type battery terminals
  • 1 – Negative brass marine type battery terminal
  • Tinned copper lugs & heat shrink
  • Cable ties
  • RV dual battery kit isolator has easy to follow instructions


This is the right technology for adding 2nd or even 3rd battery for more RV application or what ever engine you wish to improve battery life. It used the basic technology but tested by the automotive industry.

It will keep you 2nd battery fully charged using the engine power supply but isolating the first battery under use by your engine and electronics. This is automatic RV battery isolator kit isolator and there are no need for rereoute or rewirin. There is a manual the complement the kit.

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