Shinysix Dual Battery Isolator
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$22.82at WalmartChecked Nov 12
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The Shinysix Dual Battery Isolator is a 12 V voltage-sensitive relay that combines two batteries when the charging system is running and separates them when it stops, so a winch or fridge can't drain the starting battery. It uses a relay instead of a diode, so there is no 0.6 V drop, and it handles 125 A continuous and 140 A intermittent. A digital display and LED indicator show when the relay is engaged, and a storage mode cuts draw to zero when the engine is off. It suits ATV, UTV, boat and RV owners adding a second battery; it is a basic unit next to smart isolators that add Bluetooth monitoring or adjustable thresholds.
In stockSold by fashion trendReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
The Shinysix Dual Battery Isolator is a 12 V, 140A voltage-sensitive relay (VSR) with a digital display. It combines two batteries while charging and isolates them when not charging. Unlike a battery isolator diode, which has a 0.6 V drop, it has no voltage drop.
The housing is made of ABS and is rated IP67 for waterproof and dustproof protection. A built-in LED indicator shows when the VSR engages. It can be installed on the surface or in a panel. It works in manual and auto modes.
An optional storage mode draws zero power when the engine is off. It is suitable for ATVs, UTVs, boats, RVs and off-road vehicles.
