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KickAss 12V 140A Dual Sensing Voltage Sensitive Relay (VSR)

$49.95
GST included

We stock limited KickAss Gear, Call us if you need it urgently. 1-2 Business Days for pickup orders.


The KickAss 12V 140A Dual Sensing Voltage Sensitive Relay links your auxiliary battery to the alternator while the engine runs and isolates it when the engine stops, protecting your starter battery from being flattened by camp loads.

KickAss 12V 140A Dual Sensing VSR Specifications

  • 140A rating, 12V
  • Dual sensing operation
  • Automatic connect and isolate
  • Weight: 260g
  • SKU: KAVSROVER

A VSR is not a DCDC charger. On a vehicle with a smart or variable-voltage alternator it will not fully charge an auxiliary battery, and it will not properly charge lithium at all.