Voltage-Sensitive Relay (VSR) Kit for Battery Box

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

HKPBATTVSR

Regular price$26.00
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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 alternator is producing at least 13.2V (i.e. the engine is running). When the ignition is switched off and battery voltage drops below 12.7V, the VSR automatically cuts the link between the auxiliary and crank batteries to prevent the crank battery from being discharged.

Our optional dual battery wiring kit makes it an easy DIY job to install your dual battery setup.

This Voltage-Sensitive Relay can also be used in 12v setups without a Hardkorr battery box.

NOTE: Not suitable for Lithium Batteries.

NOTE: this product is not suitable for vehicles with a variable-voltage alternator. Please check with your vehicle manufacturer prior to purchase if you think your vehicle may be equipped with a variable voltage alternator.

Key features

Voltage 12V DC
Current rating 50A
Cut-in voltage 13.2V
Cut-out voltage 12.8V
Standby draw 10mA
Delay 15 sec
Terminal type M6
Weight 0.2kg
1x 50A voltage-sensitive relay
1x Cable with ring terminal ends
2x Terminal covers
2x Mounting screws

All Hardkorr products are manufactured using the highest quality materials. We are confident that they are the most durable in the market and will give you many years of reliable service. We stand behind this product with a comprehensive 1-year Australian warranty and a 30-day money back guarantee.

Customer Reviews

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M
Melanie S.

Brilliant, works well

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