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A universal dual battery isolator rated for 12V systems and 140A. It lets a vehicle charge a second battery while keeping the starting battery from being drained by accessories such as winches, fridges or lights. The kit suits ATVs, UTVs, RZRs, RVs, watercraft and cars with a two-battery setup. Compared with simple solenoid or relay setups, a solid-state isolator has no moving contacts to wear, but 140A is modest for heavy winching, so check your loads.
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This dual battery isolator kit is for vehicles and watercraft that run two batteries, including ATVs, UTVs, RZRs, RVs, cars and boats. It manages the two batteries so the primary battery stays charged while power goes to accessories.
The kit is rated for 12V systems and 140A. It also helps protect the primary battery from being drained when accessories are in use. Installation hardware is included.
