
KFFKFF Dual Battery Isolator Kit, 12V 80 Amp, Manual and Automatic VSR Voltage Relay with Voltmeter, LCD Display
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The KFFKFF Dual Battery Isolator Kit is a 12V, 80-amp voltage-sensitive relay that automatically connects and disconnects an auxiliary battery to prevent the starting battery from draining. It has a manual override and an LCD voltmeter that shows both battery voltages. The plastic housing is sealed against water and dust, and the compact size suits UTVs, ATVs, jet skis and snowmobiles. It is a low-cost alternative to premium isolators like Blue Sea or Victron, but it lacks the brand support and documented reliability of those units.
In stockSold by Tools & Hardware Shop USReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
This is a 12V, 80 amp dual battery isolator kit with a voltage-sensitive relay (VSR) and a voltmeter display. It is made for UTVs, ATVs, jet skis and snowmobiles. It can also be mounted under the hood of a vehicle with a dual battery setup.
The isolator keeps power from transferring between the two batteries, which reduces the risk of battery drain. This keeps the primary battery charged for starting the engine. The display shows the voltage of both the primary and auxiliary batteries.
The housing is plastic and protects against water, dust and shocks. The unit is compact enough for tight spaces. Installation takes a few steps and basic tools.












