Looking for the best ATV battery isolator? We’ve tested and compared top models to bring you the 10 best options for a reliable and smooth power system.
ATV battery isolators are essential for keeping your vehicle’s power system running smoothly. They ensure your main battery stays charged while powering accessories. This guide will help you find the best ATV battery isolator for your needs.
These devices are smart, reliable, and easy to install. They work in tough conditions, from dusty trails to wet weather. With the right isolator, you’ll never worry about a dead battery again.
We’ve tested and compared top models to bring you the best options. Whether you’re a weekend rider or a daily adventurer, we’ve got you covered. Let’s find the perfect fit for your ATV!
List of Top 10 ATV Battery Isolator
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Nilight 12V 140AMP Dual Battery Isolator Voltage Sensitive Relay Smart VSR Dual Battery Automatic Charger Relays Auto Disconnect Switch Waterproof for Truck Van RV ATV UTV Boat Can Am |
This dual battery isolator is perfect for outdoor lovers who need reliable power for their adventures. It’s great for trucks, boats, RVs, and ATVs, keeping your main battery charged and your accessories running even when the engine is off. |
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VEVOR Split Charge Relay Kit, 6mtr 12V, Automatic Dual Battery Isolator Kit with 140AMP Voltage Sense Relay VSR, Compatible with RV Marine Car Vehicle Truck Caravan Camper Yacht ATV UTV Boats Workshop |
The VEVOR Split Charge Relay Kit is perfect for outdoor enthusiasts and vehicle owners who need a reliable power solution. It’s ideal for RVs, boats, trucks, and off-road vehicles, ensuring your batteries stay charged and ready for any adventure. |
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Smart Dual Battery Isolator 12V 140A Auto or Manual Control, Waterproof Voltage Sensitive Relay(VSR) with Digital Voltmeter for Car, RV, ATV, UTV, Boat, Marine |
This Smart Dual Battery Isolator is perfect for anyone who wants to keep their vehicle’s batteries charged and protected. It’s great for RVs, boats, ATVs, and cars, making it ideal for outdoor adventures or daily use. |
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UCkasayfy Dual Battery Isolator Kit 12V 140amp, Voltage Sensitive Relay VSR, Smart Battry Isolator Compatible with UTV Marine car RV Boat Truck Trailer ATV Camper Moto, Not Fit for Lithium Batteries |
This dual battery isolator kit is perfect for anyone who owns a vehicle, boat, or RV and wants to protect their batteries from draining. It’s ideal for outdoor enthusiasts and vehicle owners who need reliable power in tough conditions. |
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Nilight 12V 140AMP Dual Battery Isolator Kit with 6 AWG Power Cable Terminal Voltage Sensitive Relay Smart VSR Automatic Charger Disconnect for Truck Van RV ATV UTV Boat Can Am |
This Nilight Dual Battery Isolator Kit is perfect for outdoor enthusiasts and vehicle owners who need reliable power for their adventures. It’s ideal for trucks, RVs, boats, and ATVs, keeping your main battery charged while powering accessories from a second battery. |
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UCkasayfy Dual Battery Isolator 12V 140Amp, Voltage Sensitive Relay VSR, Compatible with UTV Marine Car RV Boat Truck Trailer ATV Camper Moto, Not Fit for Lithium Batteries |
This dual battery isolator is perfect for anyone who needs reliable power for their vehicle or equipment. It’s ideal for UTV, boat, RV, truck, or trailer owners who want to protect their batteries and ensure their main battery stays charged. |
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Stinger SGP32 High Current 200-Amp Battery Relay & Isolator for Most Vehicles, Water-Resistant Design for Marine & Powersports, Handles up to 500A Surges, Dual Battery Isolator for Car Audio Systems |
The Stinger SGP32 is perfect for anyone who needs reliable power for their vehicle’s electrical systems. Whether you’re into marine adventures, powersports, or off-road trips, this dual battery isolator keeps your primary battery safe and your car audio or accessories running smoothly. |
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VEVOR Dual Battery Isolator, 12V 140 Amp, Manual and Automatic VSR Voltage Sensitive Relay with LCD Screen, Smart Battery Isolator for Lithium & Lead-Acid Batteries, for Car Truck RV UTV ATV Boat |
This VEVOR Dual Battery Isolator is perfect for anyone who wants to keep their batteries charged and ready for adventure. It’s ideal for car, truck, RV, UTV, ATV, and boat owners who need a reliable way to manage their dual battery systems, ensuring they can start their vehicle even if the main battery is low. |
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UCkasayfy Dual Battery Isolator 12V 140amp, Voltage Sensitive Relay VSR, Smart Battry Isolator Compatible with UTV Marine car RV Boat Truck Trailer ATV Camper Moto, Not Fit for Lithium Batteries |
The UCkasayfy Dual Battery Isolator is perfect for outdoor enthusiasts and vehicle owners who need reliable power management. It’s ideal for ATVs, boats, RVs, trucks, and trailers, keeping batteries charged and protected in any condition. |
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DEWINNER 12V 140Amp Dual Battery Isolator Kit, Smart Voltage Sensitive Relay for Trucks, RVs, ATVs, UTVs, Boats & Campers – Works with All Battery Types Including Lithium & LiFePO4 |
This DEWINNER Dual Battery Isolator Kit is perfect for anyone with a 12V vehicle like a truck, RV, ATV, UTV, boat, or camper who wants to safely charge two batteries from one alternator without worrying about draining them. It’s also great for those who need flexible power management and want to extend battery life with adjustable settings. |
Detailed Reviews
Discover the top 10 ATV Battery Isolators carefully selected through expert analysis and customer feedback. Each product is reviewed for performance, features, and value, ensuring you find the perfect fit. Whether you prioritize reliability or affordability, this guide simplifies your choice. Dive in to find the best ATV Battery Isolator tailored to your needs.
1. Nilight 12V 140AMP Dual Battery Isolator Voltage Sensitive Relay Smart VSR Dual Battery Automatic Charger Relays Auto Disconnect Switch Waterproof for Truck Van RV ATV UTV Boat Can Am
The Nilight 12V 140AMP Dual Battery Isolator is designed to keep your primary battery fully charged. It automatically connects and disconnects at specific voltage levels to ensure reliable performance.
This device is safe and efficient, built with high-quality materials and an IP66 waterproof rating. It works well in tough conditions, making it perfect for trucks, vans, RVs, and boats.
Use this dual battery isolator to power your accessories without draining your main battery. It helps keep your vehicle ready to start. Enjoy peace of mind with a smart charging solution.
| Pros | Cons |
|---|---|
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Perfect For:
This dual battery isolator is perfect for outdoor lovers who need reliable power for their adventures. It’s great for trucks, boats, RVs, and ATVs, keeping your main battery charged and your accessories running even when the engine is off.
Ready to Purchase?
2. VEVOR Split Charge Relay Kit, 6mtr 12V, Automatic Dual Battery Isolator Kit with 140AMP Voltage Sense Relay VSR, Compatible with RV Marine Car Vehicle Truck Caravan Camper Yacht ATV UTV Boats Workshop
Keep your main battery ready to go with the VEVOR Split Charge Relay Kit. This smart dual battery isolator ensures your vehicle starts every time. It charges two batteries at once and keeps them separate when you’re done.
Installation is a breeze with all the included parts. You’ll be up and running in no time.
Built tough and waterproof up to IP65, this rugged and durable kit is ready for any adventure. It fits in tight spaces and works great in various vehicles like RVs, boats, and trucks.
| Pros | Cons |
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Perfect For:
The VEVOR Split Charge Relay Kit is perfect for outdoor enthusiasts and vehicle owners who need a reliable power solution. It’s ideal for RVs, boats, trucks, and off-road vehicles, ensuring your batteries stay charged and ready for any adventure.
Ready to Purchase?
3. Smart Dual Battery Isolator 12V 140A Auto or Manual Control, Waterproof Voltage Sensitive Relay(VSR) with Digital Voltmeter for Car, RV, ATV, UTV, Boat, Marine
The Smart Dual Battery Isolator keeps your batteries safe and charged. It automatically connects or disconnects the auxiliary battery based on the main battery’s voltage. This prevents over-discharging and protects your main battery.
It works with your engine alternator to charge both batteries at once. When the main battery is fully charged, it starts charging the auxiliary battery. The IP68 waterproof design makes it perfect for outdoor use in any weather.
This compact kit fits most RVs, cars, boats, and ATVs. It’s easy to install and works almost anywhere. Note: It’s not compatible with ternary lithium batteries.
| Pros | Cons |
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Perfect For:
This Smart Dual Battery Isolator is perfect for anyone who wants to keep their vehicle’s batteries charged and protected. It’s great for RVs, boats, ATVs, and cars, making it ideal for outdoor adventures or daily use.
Ready to Purchase?
4. UCkasayfy Dual Battery Isolator Kit 12V 140amp, Voltage Sensitive Relay VSR, Smart Battry Isolator Compatible with UTV Marine car RV Boat Truck Trailer ATV Camper Moto, Not Fit for Lithium Batteries
The UCkasayfy Dual Battery Isolator Kit is designed to keep your vehicle’s main battery charged and ready. It uses a Voltage Sensitive Relay (VSR) that activates at 13.3 volts and deactivates at 12.8 volts.
This kit is suitable for various vehicles, including ATVs, boats, and trucks. It has a 140-amp capacity and protects your batteries from draining in extreme conditions with an IP67 waterproof rating.
This product features manual and automatic modes for emergency charging. It also includes strong after-sales service. You can trust the quality of this isolator kit.
| Pros | Cons |
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Perfect For:
This dual battery isolator kit is perfect for anyone who owns a vehicle, boat, or RV and wants to protect their batteries from draining. It’s ideal for outdoor enthusiasts and vehicle owners who need reliable power in tough conditions.
Ready to Purchase?
5. Nilight 12V 140AMP Dual Battery Isolator Kit with 6 AWG Power Cable Terminal Voltage Sensitive Relay Smart VSR Automatic Charger Disconnect for Truck Van RV ATV UTV Boat Can Am
Keep your main battery charged and your vehicle always ready to go with the Nilight 140AMP Dual Battery Isolator Kit. This smart VSR automatically charges your second battery when your engine is running. It’s a reliable way to power your accessories without draining your starting battery.
This tough, waterproof kit is built for any adventure, from dusty trails to wet seas. It’s the perfect upgrade for your truck, RV, boat, or ATV, ensuring you have power when you need it most.
| Pros | Cons |
|---|---|
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Perfect For:
This Nilight Dual Battery Isolator Kit is perfect for outdoor enthusiasts and vehicle owners who need reliable power for their adventures. It’s ideal for trucks, RVs, boats, and ATVs, keeping your main battery charged while powering accessories from a second battery.
Ready to Purchase?
6. UCkasayfy Dual Battery Isolator 12V 140Amp, Voltage Sensitive Relay VSR, Compatible with UTV Marine Car RV Boat Truck Trailer ATV Camper Moto, Not Fit for Lithium Batteries
Keep your vehicle powered up with the UCkasayfy Dual Battery Isolator. This smart device ensures your main battery stays charged. It also allows for parallel charging of a second battery.
It’s waterproof and built tough for any condition. This isolator is perfect for RVs, boats, and more, protecting your batteries from draining.
| Pros | Cons |
|---|---|
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Perfect For:
This dual battery isolator is perfect for anyone who needs reliable power for their vehicle or equipment. It’s ideal for UTV, boat, RV, truck, or trailer owners who want to protect their batteries and ensure their main battery stays charged.
Ready to Purchase?
7. Stinger SGP32 High Current 200-Amp Battery Relay & Isolator for Most Vehicles, Water-Resistant Design for Marine & Powersports, Handles up to 500A Surges, Dual Battery Isolator for Car Audio Systems
The Stinger SGP32 High Current 200-Amp Battery Relay is perfect for most vehicles. It is designed to be water-resistant for marine and powersports use. This relay can handle up to 500A surges.
This product features universal 12V compatibility with any vehicle alternator or charging system. It is ideal for secondary battery isolation, keeping your primary battery charged.
With a 100,000 mechanical cycle life, this relay extends your battery’s life. Enjoy reliable power for your car audio system and other electrical accessories.
| Pros | Cons |
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Perfect For:
The Stinger SGP32 is perfect for anyone who needs reliable power for their vehicle’s electrical systems. Whether you’re into marine adventures, powersports, or off-road trips, this dual battery isolator keeps your primary battery safe and your car audio or accessories running smoothly.
Ready to Purchase?
8. VEVOR Dual Battery Isolator, 12V 140 Amp, Manual and Automatic VSR Voltage Sensitive Relay with LCD Screen, Smart Battery Isolator for Lithium & Lead-Acid Batteries, for Car Truck RV UTV ATV Boat
The VEVOR Dual Battery Isolator is a smart device for managing your vehicle’s battery system. It works with both lithium and lead-acid batteries.
This isolator has manual and automatic modes. Switch to manual mode to help charge a dead battery. Enjoy a built-in LCD screen that shows real-time battery voltage.
With an intelligent delay function, it avoids constant switching. This feature helps prolong the life of your batteries. The isolator also offers all-round protection against overvoltage and undervoltage, making it safe and reliable for any vehicle.
| Pros | Cons |
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Perfect For:
This VEVOR Dual Battery Isolator is perfect for anyone who wants to keep their batteries charged and ready for adventure. It’s ideal for car, truck, RV, UTV, ATV, and boat owners who need a reliable way to manage their dual battery systems, ensuring they can start their vehicle even if the main battery is low.
Ready to Purchase?
9. UCkasayfy Dual Battery Isolator 12V 140amp, Voltage Sensitive Relay VSR, Smart Battry Isolator Compatible with UTV Marine car RV Boat Truck Trailer ATV Camper Moto, Not Fit for Lithium Batteries
The UCkasayfy Dual Battery Isolator is designed to keep your main battery charged. It works automatically, ensuring your vehicle is always ready to go.
This Voltage Sensitive Relay (VSR) cuts in at 13.3V and cuts out at 12.8V. It can display the battery voltage for easy monitoring. The isolator is waterproof with an IP67 rating, making it reliable in harsh conditions.
The isolator is compatible with various vehicles like ATVs, boats, and trucks. It can reverse charge in both manual and automatic modes. Enjoy peace of mind with our quality control and excellent after-sales service.
| Pros | Cons |
|---|---|
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Perfect For:
The UCkasayfy Dual Battery Isolator is perfect for outdoor enthusiasts and vehicle owners who need reliable power management. It’s ideal for ATVs, boats, RVs, trucks, and trailers, keeping batteries charged and protected in any condition.
Ready to Purchase?
10. DEWINNER 12V 140Amp Dual Battery Isolator Kit, Smart Voltage Sensitive Relay for Trucks, RVs, ATVs, UTVs, Boats & Campers – Works with All Battery Types Including Lithium & LiFePO4
Unlock ultimate power control with the DEWINNER 12V Dual Battery Isolator Kit. This smart relay ensures your batteries charge independently, preventing drain and keeping you powered up.
Manage your power with customizable settings. Adjust voltages for different battery types. Enjoy a longer battery life with a smart delay.
Switch between manual and auto modes easily. See real-time voltage with clear LED lights. This isolator works with all 12V battery types, including lithium.
| Pros | Cons |
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Perfect For:
This DEWINNER Dual Battery Isolator Kit is perfect for anyone with a 12V vehicle like a truck, RV, ATV, UTV, boat, or camper who wants to safely charge two batteries from one alternator without worrying about draining them. It’s also great for those who need flexible power management and want to extend battery life with adjustable settings.
Ready to Purchase?
Buying Guide
ATV battery isolators keep your main battery charged while powering accessories. They’re smart, reliable, and easy to install. This guide helps you find the best ATV battery isolator for your needs.
Choosing the right isolator means no more dead batteries. Whether you ride trails or tackle tough jobs, we’ve tested top models to bring you the best options. Let’s find the perfect fit for your ATV!
Factors to Consider When Buying an ATV Battery Isolator:
- Compatibility: Ensure the isolator works with your ATV’s voltage (12V) and battery type. Some models don’t support lithium batteries.
- Amp Rating: Choose an isolator with the right amp capacity for your needs. Most ATVs work well with 140-amp models.
- Waterproof Rating: Look for IP65, IP66, or IP68 ratings to protect against water, dust, and tough conditions.
- Installation: Pick a kit with clear instructions and included parts for easy setup.
- Modes: Decide if you need manual, automatic, or both for flexibility in charging.
- Durability: Opt for rugged materials that handle vibrations and extreme weather.
- Extra Features: Consider LCD screens, voltage displays, or surge protection for added convenience.