Digital Voltage Sensitive Relay (VSR) with Start Isolation
BF453
The BF453 Digital Voltage Sensitive Relay (DVSR) is designed to enhance battery management...
DetailsDigital Voltage Sensitive Relay (DVSR)
BF454 / BF454R
The BF454 Digital Voltage Sensitive Relay (DVSR) 2.0 by YIS Marine is an advanced, second-generation...
DetailsDVSR with Cable Kit for 2nd Battery
BF454-KIT
For DIY installers, YIS Marine offers the BF454-KIT, an all-in-one package that provides everything...
DetailsDigital Voltage Sensitive Relay (D-VSR)
BF452
VSR (Voltage Sensitive Relay) or ACR (Automatic Charging Relay) are automatically controlled...
DetailsDVSR with Cable Kit for 2nd Battery
BF452-KIT
This Kit provides all the necessary cables, accessories and the DVSR that you need to install...
DetailsVoltage Sensitive Relay (VSR)
BF451
VSR automatically combines two batteries when charging and isolates two batteries when not charging....
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