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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.
 

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Multi-Battery Isolator Application Guide

Choose a Battery Isolator and click on the RED model number

 
Model
Current
Input
Output
Group 1
 
 
 
70A
1
2
70A
1
3
70A
2
2
2703 70A 2 3
95A
1
2
120A
1
2
120A
1
3
120A
2
2
120A
2
3
130A
1
2
160A
1
2
160A
1
3
200A
1
2
240A
1
2
240A
1
3
300A
1
2
300A
1
3
120/160A
2
3
240A
1
2

Group 2
 
 
 
95A
1
2
120A
1
2
120A
1
3
130A
1
2
160A
1
2
240A
1
2
120A
2
3

Group 3
 
 
 
702R 70A 1 2
952R 95A 1 2
1202R 120A 1 2
1203R 120A 1 3
70A 2 3

Special Applications
 
 
 
60A
1
2
70A
1
2
160A
1
2
 
 
 


Group 4
 
 
 
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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VEHICLE APPLICATIONS

Group

1

General Motors (Delcotron/Delphi)

Except Delcotron/Delphi CS Series alternators (CS used on most 1985 and newer GM vehicles)

Ford

Up to 1998

Chrysler

All models, all years including Nippondenso externally regulated alternators

Jeep

Equipped with Nippondenso externally regulated alternators

Japanese Imports

With alternators using external voltage regulator or external sensing

Motorola

Load Handler Series or 8EM Remote Sense Series

 

2

General Motors (Delcotron/Delphi)

Equipped with Delcotron/Delphi CS series alternators (most 1985-1993) or CS130-D Series alternators (most 1993 and newer)

Jeep

Vehicles equipped with Delcotron/Delphi CS Series alternator (most 1985-1980)

Toyota, Honda, & Some Imports

1985 and newer equipped with Nippondenso alternator with internal regulators or alternators with an S (sense) terminal

Ford

Many 1998 and newer

 

 

3

Motorola

Other than Load Handler Series

Bosch

Requiring regulator sensing

Many European Style Alternators

Requiring regulator sensing

 

 

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


 

 

1 Year Warranty on all Sure Power Products

Still not sure what Isolator to use? Contact us we would be happy to help.