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Sure Power Battery Isolators are the ORIGNAL Battery Isolator, as Sure Power is the sole inventor of the Multi-Battery Isolator, which was invented in 1959.

SPECIFICATIONS:

Model #: 12023A

Current Rating: 120 Amps

Charging Inputs: 1

Battery Outputs: 2

VEHICLE APPLICATIONS:

General Motors (Delcotron/Delphi): Equipped with Delcotron/Delphi CS series (most 1985-1993) or CS 130-D series alternators (most 1993 and newer)

Ford vehicles: many 1998 and newer

Toyota, Honda & Some Imports: 1985 and newer equipped with Nippondenso alternator with internal regulators or alternators with an "S" (sense) terminal.

Jeep: Equipped with Nippondenso series regulated alternators (most 1985 - 1990)

Sure Power Multi-Battery Isolators are the original Battery Isolator, and still the best on the market. Multi-Battery Isolators are used to eliminate multi-battery drain when two or more battery banks are in a charging system. They perform as well or battery then existing factory installed components. Specifically designed to exceed OEM Specifications, they are equipped with Solid-State Electronics, which isolate each battery circuit and allows each battery to discharge and charge according to its' own needs. They are more efficient and reliable then mechanical or solenoid systems, and have the reputation as the most comprehensive line of Battery Isolators on the market.

Making the Difference: One of the "so-called" solutions for multi-battery drain is nothing more then a solenoid, a switch that disconnects batteries one from another. With a solenoid, there is no multi-battery drain while the batteries are disconnected. But, the second the solenoid reconnects the batteries, the drained battery robs power from the starting battery. That isn't all that happens. This sudden, violent transfer of energy from one battery to another has been known to damage batteries or shorten their life, overheat wires and connections, and worst of all, cause fires.

THE SOLENOID IS NO SOLUTION FOR MULTI-BATTERY DRAIN.