New Arrivals Split Charger Relay Kit 6mtr 12V Automatic Dual Battery Isolator 140AMP Voltage Sense VSR for RV Truck ATV

The upgraded 1.5 version of the dual power isolator uses an power management chip, which is a relatively new electronic circuit intelligent automatic management. Strong waterproofness, low loss, good heat dissipation, and high efficiency Instructions for use: When the voltage of the main battery is 13.3V, the main battery charges the auxiliary battery; when the voltage of the main battery is lower than 12.7V, the main battery and the auxiliary battery are disconnected 100% new