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Dual Battery Isolator Kit 12V - 140 Amp Voltage Sensitive Relay (VSR) for Dual Battery Setup
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*Price and Stocks may change without prior notice
*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
- 7 Day Return Policy
- All products are genuine and original
- Cash On Delivery/Cash Upon Pickup Available
Dual Battery Isolator Kit 12V - 140 Amp Voltage Features
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Advanced Dual Battery Isolator 12V Kit – Designed for superior performance, this dual battery kit ensures efficient power distribution between two batteries without voltage drops. Unlike traditional battery isolator diodes, this automatic disconnect switch eliminates power loss while maintaining a seamless connection between your primary and auxiliary power sources. Compact at 2.6” x 2.6” x 2”, it’s perfect for under-hood installations or as part of a battery relocation kit.
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Smart Voltage Sensitive Relay (VSR) for Optimal Charging – Featuring a 12V dual battery wiring kit, this system automatically activates at 13.3V and disengages at 12.8V, ensuring your starting battery remains fully charged. Whether you're installing a marine dual battery kit for your boat, a dual battery kit for truck applications, or need a battery isolator 12V kit for off-grid power, this setup prevents battery drain and guarantees reliable performance.
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Built for Extreme Conditions & Rugged Durability – Engineered for off-road adventures, marine use, and daily driving, this dual battery isolator kit is IP65-rated for water, dust, and vibration resistance. Its solid-state design ensures durability, making it an excellent choice for automotive, RV, UTV, and marine battery isolator needs. Whether battling tough trails or navigating open waters, count on this dual battery wiring kit to provide uninterrupted power.
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Complete Dual Battery Wiring Kit for Easy DIY Installation – No complicated setup required! This battery isolator kit includes (1) 140 Amp voltage sensitive relay, (1) 20-ft red power cable, (1) 2-ft black ground cable, (2) positive marine-type brass battery terminals, (1) negative brass terminal, tinned copper lugs, heat shrink tubing, cable ties, and step-by-step instructions. Perfect for DIYers of all skill levels—just connect the power wire in, power wire out, and you’re ready to go!
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Trusted Performance with Warranty & Money-Back Guarantee – Every dual battery kit by KeyLine Chargers is backed by a 12-month industry-leading warranty. If you’re not 100% satisfied with your purchase, take advantage of our 30-day money-back guarantee—no questions asked! Drive with confidence knowing you have a premium battery isolator 12V kit keeping your power system running at full capacity.
About Dual Battery Isolator Kit 12V - 140 Amp Voltage
The KeyLine Chargers Dual Battery Isolator is an essential tool for all your battery needs. This kit includes everything you need to install a second battery in your vehicle, boat, or RV, providing you with reliable power for all your adventures. The battery isolator 12v kit is designed to work with all types of batteries, including marine batteries, so you can trust that it will meet your needs. It features a smart battery isolator that automatically separates the starter battery from the auxiliary battery when the engine is turned off, preventing your accessories from draining your primary battery. With this dual battery isolator kit, you can have peace of mind knowing that your battery system is always charged and ready to go. It's a perfect solution for overland vehicle systems, car audio accessories, and any other application where reliable power is essential. The RV battery kit is easy to install, with a plug and play design that makes it simple to add a second battery to your setup. The kit includes a battery isolator, a battery switch, and all the necessary wiring and hardware to get you up and running in no time. The marine battery isolator is perfect for boating enthusiasts, offering a reliable and efficient solution for your dual battery setup. It's designed to withstand the harsh marine environment, ensuring that your battery system remains protected and secure. The dual car battery setup kit is also a great option for car enthusiasts who need reliable power for their accessories. With the second battery installation kit plug and play design, you can easily add a second battery to your setup without the need for complicated wiring or installation. Overall, the KeyLine Chargers Dual Battery Isolator is a smart investment for anyone looking to upgrade their battery system. With its efficient design and reliable performance, it's a must-have for anyone who needs reliable power for their vehicle, boat, or RV.
