VSR Voltage Sensitive Relay, Keenso DC 12V Automatic Charging Relay with Dual Intelligent Battery Isolator 125A and Screw

【Easy Installation】The 12V VSR voltage sensitive relay with or panel mount options, which provides flexibility during installation. No voltage loss compared to battery isolator diodes (0.6V). Combined/Open Voltage: DC 13.3V/12.8V 【140 Amp Dual Battery Isolator Smart Isolator】 The voltage sensitive relay of the dual battery isolator is all you need to battery systems. Its dimensions fit heavy-duty modular boxes (BF43X) and battery switches, which correspond to common products on the market. 【Premium Quality】The voltage sensitive charging relay is made of fiberglass reinforced nylon, sturdy and It is not easy to age and abrasion resistant, ensures maximum strength and durability for long lasting use. 【IDEAL FOR DUAL BATTERY VEHICLES】140A 12V Voltage Sensitive Split Relay Kit (VSR) is the best way to ensure that you can always start your dual battery vehicle. Once your main starter battery is sufficiently charged, it will start charging the second battery. 【WHAT YOU WILL GET】We stand behind all our items with a product guarantee and are committed to providing you with the best customer service. If you have any problem about the voltage sensitive separator relay, please contact us by email, we will try our best to reply you within 24 hours.