
Vevor Battery Isolator 12V 300A Dual Battery Isolator with LCD Display
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The Vevor is a 12V, 300A voltage-sensitive relay that links a main and an auxiliary battery so both charge from the alternator while keeping the starter battery from draining. It works with lithium and lead-acid batteries, has an LCD showing both battery voltages, and offers automatic and manual modes plus an adjustable 3-60 second switching delay. Built-in overvoltage and undervoltage protection and a sealed housing suit cars, trucks, RVs, UTVs, ATVs and boats. Against basic solenoid isolators it adds a display and adjustable delay; against smart DC-DC chargers it is simpler and does not boost or condition the charge, so it suits owners who want a straightforward relay with visible voltages.
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The Vevor Battery Isolator is a 12V, 300A voltage-sensitive relay for dual-battery systems in vehicles and off-grid setups. It works with both lithium and lead-acid batteries and adjusts charging behavior automatically.
It has manual and automatic modes. An LCD screen shows the voltage of both batteries in real time. The switching delay is adjustable from 3 to 60 seconds, which helps reduce frequent switching.
The unit has built-in overvoltage and undervoltage protection and a durable housing. It is intended for cars, trucks, RVs, UTVs, ATVs, and boats.






