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- Function: The Voltage Sensitive Relay (VSR) ensures that the primary battery is always charged and ready to start the vehicle by cutting in at 13.3 volts and cutting out at 12.8 volts. When your engine is turned on and the starting battery is fully charged, the isolation will start charging the second (auxiliary) battery at the same time. Enables you to charge two batteries from one alternator at the same time.
- Safe and efficient: The dual battery isolator is made of high-quality material casing and a silicone seal, withstanding extreme weather conditions and vibrations. Its IP66 waterproof rating ensures safe off-road use in dusty, wet, and unpredictable environments, providing you with a reliable and durable solution for your marine or automotive dual battery needs.
- Wide Application: Like Having Two Separate Power Sources, The Dual Battery Isolator Kit Enables Your Accessories to Run From a Separate Battery While the engine is not running on your vehicle While keeping your Main Battery Charged and Your Vehicle Always Ready to Go and Start When You Want It. Suitable for 12v camper van trucks, caravans, RV, ATV, UTV, Boat and camping applications.
- Versatile: Our VSR Battery Isolator can be used to protect any 12 Volt battery; It eliminates the possibility of running the battery out and keeps it fully charged for when you need it most. Important Note: This item is not compatible with Lithium Batteries
- Package Includes: 140amp smart battery isolator; Mounting Hardware(screws, nuts, spring washers, ring terminal).
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Informação adicional
| Connector Type | Quick Connect |
|---|---|
| Contact Material | Aluminum |
| Contact Type | Normally Open |
| Current Rating | 140 Amps |
| Mounting Type | Screw Mount |
Stephen Moore –
Excelente producto
sabanero –
Very good thank you
Héctor Olivera –
Excelente cumple con su función
Héctor Olivera –
Before you began installation place things where you think they need to go. Then imagine where you can hide wires so as not to getting stepped on etc. I was fortunate enough to already have a crumpet for the 6ga wire and ends for this. As of yet-not a problem, it works as it ways it would-charging both batteries
munro smith –
I fitted this Isolator to a 35 ft Bruno Commercial Fishing Boat with a Cat Marine Engine with 2 4D Batteries for the Engine, and a 4D House Battery! I installed the Isolator on Sunday the 24th February 2025, and it worked Perfectly! The Boat Owner went Fishing on Monday, and called me up when He returned in the evening and said that the Voltmeter on the Isolator went off when he was pulling in his Lobster Pots with the hydraulic winch, but was still able to pull all of the pots! He thought that the Isolator failed! He didn’t check the House Voltmeter on the Panel, just the Engine Voltage on the Instrument Panel! I think checked the Isolator after starting the Engine, and it worked Perfectly, despite fact that the Voltmeter wasn’t lighting up, but the single LED light showing that the Isolator was connecting with the Engine Battery and Still Charging the House Battery, because it was Fully Charged when I checked it!
Daniel –
this is a great product and easy to install. but be careful the plastic is fragile.
Troy Stover –
Works Good
roberto perez –
Muy bien
BigAck –
Got this for a duel battery system on a vehicle. I’d used a much more expensive brand on my primary truck and got this one for my second to compare and I found them to be almost identical in form and operation to one costing almost 100. Would recommend.