Our voltage sensitive relay not only supports flexible voltage adjustment and emergency reverse charging, but also has built-in delay protection to avoid loss from frequent start-stop. Including a real-time display of dual voltages, it keeps you informed of battery status for reliable use.

Featuring high-strength plastic housing, this smart battery isolator provides strong impact resistance to effectively withstand collisions. Treated with special technology, it can avoid the intrusion of water and dust.

Out of power in the starter battery? Don’t worry! Our VSR isolator can be switched to manual mode, utilizing your fully charged secondary battery for reverse charging. It allows you to start your engine without jumper cables and get back on the road in no time!

Specifically designed for dual battery systems, this 12v split charge isolator ensures simultaneous charging of two batteries without interrupting the device power supply. Whether in your off-road vehicle, RV, or boat, it provides stable and reliable power support for your devices.