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The Original and Still the Best!
Battery Isolators Eliminates multi-battery drain when two or more battery banks are in a charging system, performs as well or better than existing factory installed components, designed to exceed OEM specifications, solid-state electronic, Isolates each battery circuit and allows each battery to discharge and charge according to its own needs, the Original, not an imitation! The battery isolator was invented by sure power in 1959, more efficient and reliable than mechanical or solenoid systems, the most comprehensive line of battery isolators on the market; Isolators are available for most application needs.
 Click Here to learn about our Sure Power Low Price GuaranteeMulti-Battery Isolator Application Guide
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Choose a Battery Isolator and click on the RED model number
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Model |
Current |
Input |
Output
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Group 1 |
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70A |
1 |
2 |
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70A |
1 |
3 |
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70A |
2 |
2 |
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2703 |
70A |
2 |
3 |
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95A |
1 |
2 |
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120A |
1 |
2 |
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120A |
1 |
3 |
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120A |
2 |
2 |
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120A |
2 |
3 |
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130A |
1 |
2 |
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160A |
1 |
2 |
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160A |
1 |
3 |
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200A |
1 |
2 |
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240A |
1 |
2 |
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240A |
1 |
3 |
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300A |
1 |
2 |
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300A |
1 |
3 |
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120/160A |
2 |
3 |
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240A |
1 |
2 |
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Group 2
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95A |
1 |
2 |
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120A |
1 |
2 |
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120A |
1 |
3 |
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130A |
1 |
2 |
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160A |
1 |
2 |
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240A |
1 |
2 |
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120A |
2 |
3 |
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Group 3
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| 702R |
70A |
1 |
2 |
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952R |
95A |
1 |
2 |
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1202R |
120A |
1 |
2 |
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1203R |
120A |
1 |
3 |
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70A |
2 |
3 |
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Special Applications
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60A |
1 |
2 |
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70A |
1 |
2 |
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160A |
1 |
2 |
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Group 4
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If the alternator is not compatible with battery isolators a battery separator would be the next alternative. Alternators with internal voltage sensing, e.g. some Mitsubishi and Hitachi, or single wire self-exciting Delco/Delphi alternators, some Honda's and some selected imports.
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For PDF Downloads / Instructions Click Here
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VEHICLE APPLICATIONS |
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Group |
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1 |
General Motors (Delcotron/Delphi) |
Except Delcotron/Delphi CS Series alternators (CS used on most 1985 and newer GM vehicles) |
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Ford |
Up to 1998 |
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Chrysler |
All models, all years including Nippondenso externally regulated alternators |
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Jeep |
Equipped with Nippondenso externally regulated alternators |
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Japanese Imports |
With alternators using external voltage regulator or external sensing |
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Motorola |
Load Handler Series or 8EM Remote Sense Series |
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2 |
General Motors (Delcotron/Delphi) |
Equipped with Delcotron/Delphi CS series alternators (most 1985-1993) or CS130-D Series alternators (most 1993 and newer) |
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Jeep |
Vehicles equipped with Delcotron/Delphi CS Series alternator (most 1985-1980) |
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Toyota, Honda, & Some Imports |
1985 and newer equipped with Nippondenso alternator with internal regulators or alternators with an “S” (sense) terminal |
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Ford |
Many 1998 and newer |
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3 |
Motorola |
Other than Load Handler Series |
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Bosch |
Requiring regulator sensing |
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Many European Style Alternators |
Requiring regulator sensing |
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4 |
2005 and newer General Motors applications using the Delphi alternators (may also be labeled Bosch) with two pin terminal connectors will not work with Battery Isolators: use Battery Separator. NOTE: Dodge Sprinter classified under Group 4
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