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.
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. >PLEASE 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.
THE HARD KORR® GUARANTEE
All Hard Korr® 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 2-year Australian warranty and a 30-day money back guarantee.
KEY FEATURES
- Easy retrofit into Hardkorr battery boxes
- Fully automatic operation
- Inbuilt surge protection
Specifications
| 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 |
Pack Contents
| 1x | 50A voltage-sensitive relay |
| 1x | Cable with ring terminal ends |
| 2x | Terminal covers |
| 2x | Mounting screws |
| SKU | HKPBATTVSR |
| Model # | HKPBATTVSR |
| Barcode # | 9350466001624 |
| Brand | Hard Korr |
| Shipping Weight | 0.2000kg |
| Shipping Width | 0.200m |
| Shipping Height | 0.080m |
| Shipping Length | 0.250m |
| Shipping Cubic | 0.004000000m3 |
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