Dual Battery Isolator Kit 12V 140A VSR
Dual battery isolator kit with smart voltage-sensitive relay for automatic disconnect between primary and auxiliary batteries. Simple installation with clear instructions and solid dual battery capacity, though wire length may vary by user
Highlights
- automatic power distribution
- VSR activates at 13.3V
- disengages at 12.8V
Pros
- automatic disconnect switch
- smart voltage-sensitive relay
- compact under-hood size
- simple installation
- good dual battery capacity
Cons
- wire length varies per user
- mixed charging experiences reported
Best For
Features
- Dual battery isolator kit for 12V systems delivering efficient power distribution between two batteries
- Automatic voltage-sensitive relay activates at 13.3V and disengages at 12.8V to protect starting battery
- Compact 2.6 x 2.6 x 2 inch form factor suitable for under-hood or battery relocation installations
- Prevents battery drain while maintaining connection between primary and auxiliary power sources for various vehicles