

Shop now at – More Info Including Updated Prices, Images and Customer Reviews – CLICK HEREĪffiliate Disclaimer: As an Amazon Associate, I earn from qualifying purchases.As you can imagine. When you’re ready to go, don’t get caught with a dead battery or left in the dust by inferior isolators! Do yourself a favor and buy one for a friend or a second vehicle that needs it – You’ll thank us (and yourself) for the good decision later. The KeyLine Smart Battery Isolator works perfectly for all of your dual battery vehicles.

When it comes to SMART isolating… There is clear winner.


WHAT YOU GET: (1) 140 Amp Voltage Sensitive Relay (VSR) (1) 20 ft red battery cable (1) 2ft black ground battery cable (2) positive brass marine type battery terminals (1) negative brass marine type battery terminal tinned copper lugs & heat shrink cable ties easy-to-follow instructions.Great for extreme vibration applications as well. This International Protection rating means that your KeyLine isolator is safe for use even for your off-road needs in dusty, wet and unexpected extreme weather environments. RUGGED DURABILITY: Unlike other isolators on the market, the KeyLine Automatic 140 Amp Dual Battery Isolator is IP65 Certified.It’s like having two separate power sources for each battery while only having one alternator! Voltage Sensitive Relay (VSR) cuts in at 13.3 volts and cuts out at 12.8 volts to ensure your primary battery is always charged and ready to start your vehicle. VOLTAGE SENSITIVE RELAY: The KeyLine Automatic 140 Amp Dual Battery Isolator is all you need to charge Two Battery Systems.This compact battery isolator was built ultra-small (2.6″ x 2.6″ x 2″) to fit almost anywhere! A perfect fit under the hood to get close to your dual batteries. ZERO VOLTAGE DROP: Forget the traditional diode relays and so-called “solid state” devices that can rob you of almost 2 amps of output voltage! The KeyLine Dual Battery Isolator is the only unit designed with cutting edge programming to deliver optimum performance – with ZERO sacrifice.12V 140 Amp Dual Battery Isolator by KeyLine Chargers – Voltage Sensitive Relay (VSR) Pro Dual Battery Kit)
