VEVOR - Dual Battery Isolator Kit, 12V 140 Amp, Manual and Automatic VSR Voltage Sensitive Relay with Voltmeter, LCD Screen

The dual battery isolator kit provides adjustable start/stop voltage, compatible with both lithium and lead-acid batteries. It features manual and automatic modes – when the main battery power is low, the auxiliary battery can charge it in reverse. Its new delay function effectively avoids frequent opening and closing of the isolator due to unstable current. It easily handles complex power consumption scenarios.

The dual battery isolator provides adjustable start/stop voltage, compatible with both lithium and lead-acid batteries. It features manual and automatic modes – when the main battery power is low, the auxiliary battery can charge it in reverse. Its new delay function effectively avoids frequent opening and closing of the isolator due to unstable current. It easily handles complex power consumption scenarios.

This portable jump starter delivers up to 4000A peak power to start all 12V vehicles including cars, trucks, SUVs, motorcycles, and diesel engines up to 10.0L in seconds. Built with a high-capacity 27800mAh battery, it also functions as a powerful emergency power bank with fast USB charging for smartphones, tablets, and other devices. Equipped with advanced safety protection and smart jumper cables, it ensures safe and reliable operation in all conditions. The compact and rugged design makes it easy to store in your vehicle for emergencies, road trips, and outdoor use, providing dependable performance whenever you need it most.