12V dual battery isolator helps manage charging between your starter and auxiliary batteries, reducing drain while keeping power ready for accessories. Designed for lithium and lead-acid setups, it features an LCD dual-voltage readout, adjustable start/stop thresholds, and a voltage sensitive relay with manual and automatic modes. Built for vehicles and off-grid rigs that see vibration, dust, and changing conditions.

Keep your electrical system predictable on the road or water. This smart split-charge isolator is sized for tight installs yet built to handle tough environments, helping you monitor two batteries at a glance and control when they connect or isolate. Ideal for car, truck, RV, UTV/ATV, boat, and other 12V dual-battery setups running fridges, lights, inverters, or comms gear. Grab yours today and simplify dual-battery charging.