Top 10 Dual Battery Isolator UK – Car Relays

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1. Gloaso

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Gloaso 125 Amps Dual Battery Isolator VSR Split Charge Relay 12V DC Digital Voltage Sensitive Relay Automatic Charging Relay Water-Resistant

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Gloaso #ad - 125 amps voltage sensitive relay modulethe dual battery isolator is a good replacement to charge battery systems. Combine / open Voltage: DC 13. 3v / 12. 8v. No voltage drops comparing to battery isolator diodes 06v.

Universal for dc 12v car, rv, boat, trucks etc. Protects start batteries from becoming flattened by domestic loads. 140 amps voltage sensitive relay VSR ensure you can always get your dual-battery vehicle started. Easy to install, surface or panel mount optional. Great for dual-battery vehiclea max. Once your main starter battery charged completely, it will beginn to charge the second one. The dimensions fits for heavy Duty Modular Fuse Box Series BF43x and Battery Switch. Premium quality, durablepremium nylon shell material made, this voltage sensitive relay is sturdy, not easy to aging, and abrasion resistant.
BrandGloaso #ad
ManufacturerGloaso #ad
Part NumberBSAP3647
ModelBSAP3647

2. Proster

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Dual Battery Isolator Marine Switch 4 Position 300 Amp 12V Battery Switch

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Proster #ad - Removable side plates on four sides provide access for heavy duty battery cables. Removable rear cover insulates the rear terminals against any short circuits. Battery master switch, Rotary Style with 4 Positions. Suitable For Two Batteries. Brass terminals and heavy-duty plastic construction making it ideal for marine applications.
BrandProster #ad
ManufacturerProster #ad
Part NumberTOPAM276

3. freneci

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Freneci Auto Dual Battery Disconnect Switch 1-2-both-off Isolator for Marine Boat RV

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freneci #ad - 3 positions: selector 3 positions. Easy installation: Comes with all necessary installation accessories for your convenience. Switches isolated battery banks to all loads or combines battery banks to all loads. Powerful performance: Operation: 1-2-both-off. Wide application: widely used for car, truck, travel Trailer, camper, ATV, Marine, RV, UTV, boat, Battery banks and other no more than 48V Devices. Durability: aBS plastic housing ensures durability and safety.
Brandfreneci #ad
Manufacturerfreneci #ad
Part Number1a33565b821926c299100ee903cde6ed

4. lifBetter

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32V 350Amp 4 Position E-Series Waterproof Ignition Protected Marine Boat RV Dual Battery Isolator Switch

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lifBetter #ad - Ignition protected-safe for installation aboard gasoline powered boats. Selector 4 position. Terminal stud size: 3/8 inch - 16. It can be used as a power cut-off switch for motorhomes, and engineering machinery, yachts, with a copper-plated silver inn. Continuous rating: 350A, Maximum voltage: 32V DC. Switches isolated battery banks to all loads or combines battery banks to all loads.
BrandlifBetter #ad
ManufacturerlifBetter #ad
Part NumberlifBetter-125

5. Almencla

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Almencla HeavyDuty Marine Dual Battery Switch Isolator Selector Boat/RV/Caravan/Yacht

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Almencla #ad - 4 positions: 1 - 2- Both - Off. And one battery for auxiliary electrical equipment. Small in size, Fine appearance, Sturdy and durable. The selector switch will allow the use of one battery for engine starting. Batteries may be placed in parallel by switching to BOTH for emergency usage.
BrandAlmencla #ad
ManufacturerAlmencla #ad
Part Number48c3b886666fbc4324f4b46e88336d08

6. Keenso

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Keenso Voltage Sensitive Relay VSR / Automatic Charging Relay 125A Dual Battery Isolator VSR Waterproof Marine Switch for Car RV Boat Truck ATV Vehicles

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Keenso #ad - Dual battery isolator no voltage drops comparing to battery isolator diodes 06v. Solid glass fiber reinforced nylon this voltage relay is made of solid glass fiber reinforced nylon shell, which is of high mechanical strength and good toughness, long service life.

High performance spare tool once your main starter battery is sufficiently charged, it will begin charging the second battery too. A voltage sensitive relay VSR is the best way to ensure you can always get your dual-battery vehicle started. Dimensions fits heavy duty modular Fuse Box Series BF43x and Battery Switch, matching mainstream products in market.

This is a perfect choice if you are in need of voltage sensitive relay! Compatibility 100% brand new voltage sensitive relay. Stable characteristics, high reliability. Simply operation surface or panel mount options provides flexibility when installing, easy to install and use.
BrandKeenso #ad
ManufacturerKeenso #ad
Height7 cm (2.76 Inches)
Length7 cm (2.76 Inches)
Width7 cm (2.76 Inches)
Part NumberKeensod59uzafc3r

7. AOPARTS

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Smart Waterproof Dual Battery Isolator Fits ATV UTV 4WD RZR RV Car Watercraft Marine Boat Truck Caravan Camping DBK12140B

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AOPARTS #ad - Dual battery isolator is the only smart unit with cutting-edge programming design. The cut-in voltage of the voltage-sensitive relay is 13. 3 volts and the cut-in voltage is 12. 8 volts to ensure that your main battery is always charged and ready to start the vehicle.

Each battery isolator is 100% tested and inspected prior to shipment. We provide you oNE-YEAR warranty! What's in box:1× smart battery isolator,Install Components,1× User Manual. Ip65 weatherproof, dust, outer plastic-housing and a silicone sealed internallayer, protects your isolator from water, sand damage.

This compact battery isolator has an ultra-small size :2. 6*2. 6*2", dirt, installed almost anywhere. Designed for dual battery systems,suitable for most 12V/24V charging systems,Surge protect,Automatically sensing voltage level of main battery. High quality physical components and designs inside makesure our battery isolator has stable performance.
BrandAOPARTS #ad
ManufacturerAOPARTS #ad
Part NumberDBK-ATV-R12140B

8. MaySpare

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MaySpare Dual Battery Isolator Kit 12V 140Amp Voltage Sensitive Relay VSR Double Battery Automatic Charger & Wiring Cable Kit

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MaySpare #ad - 12v, 12. 8v cut-out voltage, 13. 3v cut-in voltage, 140a, ; package Include All the Bits and Pieces Needed for a Complete Installation. Compatibility: this battery isolators are small and suitable for almost anywhere, RV's?marine vehicle, UTV, truck, for ATV, Boats, caravan.

Working voltage: having voltage sensitive chip, rely cuts in at 13. 3 volts and Cuts out at 12. 8 volts to ensuring primary Battery is Always Ready for Vehicle to Run. International products have separate terms, including fit, are sold from abroad and may differ from local products, age ratings, and language of product, labeling or instructions.

Fuction: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.
BrandMaySpare #ad
ManufacturerMaySpare #ad
Part NumberUS-Battery kit

9. Wosune

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Wosune Dual Battery Isolator,S Sensitive Smart Battery Isolator, 12V Battery Isolator Dual Battery Smart Car Battery Isolator for ATV 12v isolator Kunststoff Schwarz

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Wosune #ad - Supports charging two batteries. It is safe for use even for your vehicled needs in dusty, wet and unexpected extreme weather environments. Convenient for operation and installation use. Suitable for utv, 4wd, 12VDC Marine, caravan and solar applications.

The 140 amp dual battery smart isolator comes with mounting plate and hardware. Is a perfect fit under the hood to get close to your dual batteries. Designed with cutting edge programming to deliver optimum performance. Does not include installation wires. Able to withstand extreme weather environments and is also water resistant. When the voltage of the start battery drops the isolator disengages from charging the auxillary battery to isolates the start battery and eliminates the possibility of draining it, ensuring that you always have enough charge to start your engine.

This compact battery isolator has the ultra‑small design to fit almost every condition. When your first battery is fully charged, the isolator kit will automatically start charging the second auxiliary battery.
BrandWosune #ad
ManufacturerWosune #ad
Height1 cm (0.39 Inches)
Length1 cm (0.39 Inches)
Weight0.25 kg (0.54 Pounds)
Width1 cm (0.39 Inches)
Part NumberWosune2qgui6dhyr3668

10. AOPEC

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Battery Isolator Fits ATV UTV 4WD RZR RV Car Watercraft Marine Boat Truck Caravan Camping R12140B, Smart Dual Battery Isolator,12V 140Amp Voltage Sensitive Relay

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AOPEC #ad - High quality physical components and designs inside makesure our battery isolator has stable performance. Each battery isolator is 100% tested and inspected prior to shipment. We provide you ONE-YEAR warranty.

Only smart unit with cutting-edge programming design. The cut-in voltage of the voltage-sensitive relay is 13. 3 volts and the cut-in voltage is 12. 8 volts to ensure that your main battery is always charged and ready to start the vehicle. Ip65 weatherproof, protects your isolator from water, dust, dirt, sand damage. This compact battery isolator has an ultra-small size :2.

6*2. 6*2", outer plastic-housing and a silicone sealed internallayer, installed almost anywhere. Designed for dual battery systems, Suitable for most 12V charging systems,Surge protect,Automatically sensing voltage level of main battery. What's in box:1× smart battery Isolator, Install Components,1× User Manual.
BrandAOPEC #ad
ManufacturerAOPEC #ad
Part NumberR12140B-T