Powerline Battery Isolator 250 amp 1 alternator 3 batteries w/excitation term
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This Powerline battery isolator is rated 250 amps and charges three batteries from one alternator. It has an excitation terminal. It is for marine, emergency vehicle, transportation and RV systems with separate battery banks.
Powerline Battery Isolator 250 amp Features
Battery Isolator 250 amp 1 alternator 3 batteries w/excitation term
Manufactured by Powerline, longtime leader in the production of heavy duty, rugged battery isolators. Recommended use for this product would be in a Marine, emergency vehicle, transportation, RV and other applications that require high quality dependable product performance.
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Specifications
- Rating: 250 amps
- Inputs: 1 alternator
- Outputs: 3 batteries
- Excitation terminal: yes
- SKU: ISH33051-C
Questions & Answers
How many batteries can this isolator charge?
Three batteries from one alternator.
What does an isolator do for my batteries?
Powerline isolators allow multiple batteries to charge from the alternator and prevent reverse drain when the boat or vehicle is not running.
Where is this isolator meant to be used?
Powerline recommends it for marine, emergency vehicle, transportation, RV and similar applications.

$438.00