☆Great For Dual-Battery Vehicle: A 140 amp voltage sensitive relay (VSR) is the to ensure you can always get your dual-battery vehicle started. Once your main starter battery is sufficiently charged, it will begin charging the second battery
☆ 140 Amp Dual Battery Isolator: The dual battery isolator is all you need to battery systems. Dimensions fits Heavy Duty Modular Box Series (BF43x) and Battery Switch, matching mainstream products in market
☆ Easy Installation: or panel mount options provides flexibility when installing. No voltage drops comparing to battery isolator diodes (0.6V). Combine / Open Voltage: DC 13.3V / 12.8V
☆ Premium Quality: Made of premium nylon shell material, this vsr voltage sensitive relay is sturdy, not easy to aging and abrasion resistant, to ensure maximum strength and durability for long lasting usage
☆ What You Will Get: We stand behind all of our them with a product guarantee and promise to give you the best in customer care! If you have any issue about the item, please us by e-mail, we will try our best within 24 hours to reply