Dual Battery Smart Isolator 12V 140A with LCD Display VSR for Camper Split Charge

- Please measure old relay mounting dimensions and terminal spacing with caliper before ordering.
- Material: High-density graphite with copper wire shunt.
- Package includes 1 piece. For universal dual battery charging systems.
- DIY repair part, basic electrical skill required.
- Voltage sensitive relay (VSR) with digital LCD display, 12V 140A rating, split charge design, adjustable voltage setting, suitable for camper, RV, and marine applications.