Stinger S12023

120 Amp 4-Post Battery Isolator

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General Features:

  • 120 amp Battery Isolator and Relay
  • Prevents primary battery discharge
  • Maximum current transfer
  • Extends battery life
  • Heat sink to dissipate unwanted heat
  • Universal 12V Applications
  • Dimensions: 6-1/2"W x 3-1/4"H x 4-1/2"D
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Battery Isolator Features

Compatible Amperage
This is the total number of amps that the battery isolator is designed to continually receive.
120 amps
Isolator Type
This specifies whether the isolator is a switch/relay type isolator, or a diode isolator. Relay isolators will maintain a higher charging voltage, while diode types will offer true isolation and improved reliability.

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

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Average Attribution Rating

Browse 3 questions and 1 answer
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Why did you choose this?
Sonic Electronix Store
Stinger makes good quality stuff, period. Diode isos are the way to go, they work and have no mechanical parts IE no failure.
Aksel R on Aug 16, 2014
hi , i have 130 ampere system . is this one right, or do i have to take the 80 ampere one cause my alternaor is only 90 amperes? thanks in advance for the answer.
greg f on Oct 29, 2015
Can this 4 post isolator be used as a 3 post? Also, will it work with Hitachi or Mitsubishi alternators? I own a 2006 Nissan Altima can I still use it?
selvin p on Apr 10, 2017
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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Stinger S12023

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Stinger S12023

120 Amp 4-Post Battery Isolator


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