140 Amp Dual Battery Isolator Kit, 12V VSR Voltage Sensitive Relay with 6m (20ft) Cable
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$77.16at WalmartChecked Nov 10
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A voltage-sensitive relay kit that automatically links a second battery to the charging system once the main battery reaches about 13.3V, then disconnects it when voltage drops to 12.8V. The 140A continuous / 160A intermittent rating and IP65-sealed nylon housing suit RV, marine, caravan and off-road dual-battery setups. It ships with a 6m cable and M6 stainless studs, so most installs need only basic wiring skills. Compared with manual battery switches it removes the risk of forgetting to isolate, though it is a simple relay rather than a smart DC-DC charger with solar or lithium profiles.
In stockSold by Daylight Investments LimitedReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
This dual battery isolator kit uses a 140 amp, 12V voltage sensitive relay (VSR) as an automatic split charge system. It comes with a 6 m (20 ft) battery cable and the accessories needed to install it. The cable has a thickened internal layer.
The relay housing is nylon plastic with an IP65 waterproof rating. It has M6 stainless steel power studs and is made to connect simply. It is intended for RVs, marine craft, cars, trucks, caravans, campers, yachts, ATVs, UTVs, boats and workshop use.
