12V 140AMP Automatic Dual Battery Isolator Kit with 6mtr Cables, Voltage Sense Relay (VSR) for RV, Marine, Truck

Never worry about a dead battery again! This automatic dual battery isolator kit intelligently cuts in at 13.3V and cuts out at 12.8V, ensuring your primary battery stays charged while efficiently powering a secondary battery. Perfect for RVs, marine use, off-road vehicles, and workshops.

Heavy-Duty 140AMP Voltage Sense Relay (VSR):

Built for high-performance applications, the 140AMP VSR delivers fast, reliable charging while preventing power drain when the engine is off. The rugged, shockproof design withstands extreme conditions, making it ideal for 4x4s, campers, yachts, and ATVs.

Complete 6mtr Wiring Kit for Hassle-Free Installation:

Everything you need is included:

• 140AMP voltage sense relay (VSR)

• 6-meter heavy-duty cables

• Waterproof connectors & mounting hardware

• Clear installation guide

No extra purchases required—just plug, play, and power up your adventure.

IP65 Waterproof & Extreme Environment Ready:

Engineered for durability, this split charge relay features an IP65 waterproof rating, protecting against dust, moisture, and vibrations. Whether you're off-roading, boating, or camping in harsh weather, your power system stays secure.

Universal Compatibility:

Compact yet powerful (2.66" x 2.11" x 2.66"), this 12V isolator kit fits:

• RVs, caravans, and camper vans

• Trucks, 4x4s, ATVs & UTVs

• Boats, yachts & marine applications

• Workshop & leisure vehicles