Dual Battery Isolator VSR, 12V 300A
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$72.77at WalmartChecked Nov 12
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A compact voltage sensitive relay that links a main and auxiliary battery in 12V systems and disconnects them when the engine is off. It works with lead-acid and lithium batteries and offers both automatic VSR switching and a manual override, with a small LCD for status checks. The 300A rating and PA6 housing suit cars, trucks, RVs, UTVs, ATVs and boats. Against simpler isolators it adds the screen and manual mode; against premium smart isolators it lacks app control and detailed charging profiles.
In stockSold by RderPlayReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
This dual battery isolator is a voltage sensitive relay (VSR) for DC 12V, 300A systems. It manages battery power in vehicles and marine setups and works with both lithium and lead-acid batteries.
It has manual and automatic VSR modes, and an LCD screen for quick checks. It is meant for cars, trucks, RVs, UTVs, ATVs and boats.
The housing is made of PA6 and has a black finish. The unit measures 3.5 x 3.5 x 3.1 in and weighs 0.9 lb net.
