Voltage-Sensitive Relay Kit (can be used with Hardkorr Battery Box

Using a Hardkorr battery box with voltage-sensitive relay (VSR) is the simplest way to create a dual battery setup in your vehicle. The VSR acts as an isolator, allowing the auxiliary battery (inside the box) to charge directly from the crank battery while the car is running. Note: Not suitable for Lithium Batteries.

Heavy Duty Battery Box - Hardkorr Australia

What is a VSR Voltage Sensitive Relay and How to install VSR? VSR

Hardkorr Voltage Sensitive Relay (Vsr) Kit For Battery Box - HardKorr

Dual Battery Isolator Kit - 12 Volt 140 Amp Voltage

HardKorr Battery Box with VSR, Wiring Kit and Battery Monitor Set

Hardkorr Heavy Duty Battery Box (Black) - HardKorr

Hardkorr Heavy Duty Battery Box with BCDC140D Combo

VSR Kit - Buy Easy to Install Voltage-Sensitive Relay Kit Online

Dual Battery Wiring Kit (for Hardkorr Battery Box) - Hardkorr

Wooden Luggage Rack

Set of 5 Anderson Plug Covers (for Hardkorr Battery Box