Dual Battery Isolator Kit 12V-24V (140A) VSR
Dual battery isolator with smart voltage-sensitive relay for 12V/24V systems. Maintains connection without power loss between primary and auxiliary sources. Customer note: easy to install with clear instructions and good value
Highlights
- automatic disconnect without voltage drop
- multi-voltage 12V/24V support
- compact for tight spaces
Pros
- Smart Voltage Sensitive Relay for optimal charging
- Automatic disconnect with minimal power loss
- Compact size for under-hood installations
- Supports 12V or 24V systems
- Clear installation instructions
Cons
- Some users report battery drain on start battery
- Wire length is considered adequate but on the shorter side
Best For
Features
- Multi-voltage 12V or 24V dual battery isolator for balanced power distribution
- Automatic disconnect switch reduces power loss while preserving primary/auxiliary connection
- Compact form factor suitable for under-hood installations and battery relocation kits
- Smart Voltage Sensitive Relay (VSR) enables automatic engagement at 13.4V and disengagement at 12.8V to 25.6V
- Designed for marine, automotive, and off-grid setups to prevent battery drain and maintain reliability
