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6 m 12V 140 Amp Split Charge Relay Kit with Dual Battery Isolator

Original price was: £48.99.Current price is: £42.74. (as of 04/10/2026 09:27 BST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

This 6 m 12V 140 Amp split charge relay kit combines a dual battery isolator with VSR relays, a built-in voltmeter and manual or automatic switching. It is intended for dual-battery vehicle setups and includes installation accessories and cables, including battery cables, battery terminals, copper lugs, heat shrinks and cable ties. Check the 12V requirement, 140 Amp rating and 6 m cable length before choosing an offer.

SKU: B0CY23GWRM Category:

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Quick Summary

This is a 6 m 12V 140 Amp split charge relay kit with a dual battery isolator and VSR relays. It includes a built-in voltmeter and supports manual and automatic switching, so the relay can be monitored and changed as needed.

The kit is intended for dual-battery vehicle setups and is described as coming with installation accessories and cables. The stated protection rating is IP68.

Key Details

DetailVerified information and buyer relevance
Product typeSplit charge relay kit with dual battery isolator and VSR relays.
Length6 m, which is important when checking cable run requirements for the installation.
Voltage12V, so the kit should be checked against the vehicle or system voltage before purchase.
Current rating140 Amp, a key figure for matching the relay kit to the intended electrical setup.
VoltmeterBuilt-in voltmeter for voltage display.
SwitchingManual and automatic switching are supported.
Protection ratingIP68, which is a stated ingress-protection rating for the unit.
Included itemsInstallation accessories and cables are included, along with battery cables, battery terminals, copper lugs, heat shrinks and cable ties.

What to Compare Before Buying

  • Voltage: This kit is for 12V systems. Check that the vehicle or equipment uses the same voltage.
  • Current rating: The stated rating is 140 Amp. Compare that with the electrical demands of the intended installation.
  • Cable length: The supplied length is 6 m. Make sure it suits the planned cable route.
  • Included parts: The kit includes cables and installation accessories. Confirm the contents match what you need for the job.
  • Protection rating: IP68 is stated. If the installation environment matters, check that rating against the conditions you expect.

Before You Decide

Confirm the 12V system requirement, the 140 Amp rating and the 6 m cable length before choosing an offer. It is also worth checking the included accessories against your installation plan, especially if you need a particular cable route or fitting layout.

Planning Your Dual Battery Installation

The built-in voltmeter and manual or automatic switching give you a simple way to organise a dual-battery setup around the vehicle’s existing power system. Before fitting, plan where the relay and cables will run, then check that the included parts cover the connection points you intend to use. If the unit will be installed in a demanding environment, the stated IP68 rating is a useful detail to compare with your needs.

Brand

Heart Horse

Manufacturer

YYGS_AMZgb

Product Group

BISS

Part Number

sku3919-yy

Model

sku3919-yy

Product Dimensions

12.20 x 8.27 x 2.95 inches

Item Weight

2.49 Pounds

Size

Split Charge Relay Kit – 6m Cables

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