The Vevor dual battery isolator kit is designed for 12V systems and supports efficient charging management for main and auxiliary batteries. It is compatible with lithium and lead-acid batteries and features manual and automatic operating modes for flexible control. A built-in LCD screen displays the real-time voltage of both batteries, while adjustable delay timing helps reduce frequent switching. Its durable shockproof and dustproof construction makes it suitable for UTVs, RVs, trucks, boats, and off-grid systems. The complete kit includes cables, connectors, and installation accessories for setup.