VEVOR Dual Battery Isolator, 12V 140 Amp
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$29.90at WalmartChecked Nov 10
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The VEVOR Dual Battery Isolator is a voltage-sensitive relay that links a main and an auxiliary 12V battery, charging the second only when the first is charged enough. It handles up to 140 amps and works with both lithium and lead-acid batteries, adjusting its thresholds to the battery type. A delay function stops the relay from chattering when voltage is unstable, and a manual mode lets the auxiliary battery reverse-charge a flat starter battery. It suits camper, overland and dual-battery vehicle builds that want a simple automatic setup rather than a full DC-DC charger.
In stockSold by VEVOR Distribution StoreReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
The VEVOR dual battery isolator is a voltage sensitive relay for dual battery systems. It lets two batteries charge at the same time without interrupting power to your devices. It has adjustable start and stop voltage and works with both lithium and lead-acid batteries.
It has manual and automatic modes. If the starter battery is low on power, switch to manual mode and the auxiliary battery can charge it in reverse, so you can start the engine without jumper cables. A built-in delay function prevents the isolator from opening and closing repeatedly when current is unstable. It also shows both battery voltages in real time.
The housing is high-strength plastic that resists impact. A special treatment helps keep water and dust out. The unit is lightweight and compact, and it can be installed under the hood or in an off-road vehicle, RV or boat.
