KeyLine Chargers - 12 V 140 Amp Battery Isolator & ATV UTV Wiring Kit 

Your search for the best automatic battery isolator is over. Why? Our 12 V 140 Amp Battery Isolator & ATV UTV Wring Kit is the best value on the market, bar none! When you need a reliable isolator to prevent battery drain and always have a charged primary battery to get your motor started then this is the isolator for you! 

While other companies claim to make a "smart" battery isolator, they cannot provide all of this:

• Zero Voltage Drop. KeyLine automatic battery isolators won't rob precious power from your batteries and electrical systems (unlike the ones with heat sinks on them).
• Small Convenient Size. Only about 2 inches tall, wide & deep.
• Super Easy Installation. Comes with mounting plate/template - Simple power wire in/power wire out install.
• IP65 Weather & Strong Vibration Protection. Suitable for all off road and weather exposed applications.
• Most Efficient Programming in the Business. Ensures your electrical system functions properly & batteries charge accurately.
• Voltage Sensitive Relay (VSR)
• 100% of the Necessary Hardware & Mounting Instructions
• Dual Battery Voltage Isolator User Guide
• Installation Guide ATV/UTV Kit
• 1 Year Warranty

The KeyLine Chargers Smart Battery Isolator works perfectly in all of your dual battery vehicles. When you're ready to go, don't get caught with a dead battery or left in the dust by inferior isolators!

In fact, do yourself a favor and buy one for a friend or a second vehicle that needs it - you'll thank us (and yourself) for good decision later.