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Stinger S2402

240 AMP 3-Post Battery Isolator

List price $269.99

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Stinger S2402

240 AMP 3-Post Battery Isolator


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General Features:

  • 240 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: 12-1/4"W x 3-1/2"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.
240 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.

Specials with this Item

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Warranty and Return Policy

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

Summary of Customer Ratings & Reviews

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Average Attribution Rating

Browse 3 questions and 5 answers
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Why did you choose this?
Sonic Electronix Store
Great to have with bigger systems. Helps prevent your lights from dimming when your bass is turned up.
Jordan V on Nov 2, 2015
My Cousin Has This And Loves It
Francisco G on Oct 29, 2014
My brother need it for his Nissan Patrol.
Geraldine J on Dec 4, 2014
It fit my needs
Thomas T on Jul 30, 2014
Can you use 2 off these to increase amp output if alternator can support it?
A shopper on Feb 19, 2015
Best Answer: Hello,

We may not be understanding your question, so feel free to resubmit with a bit more details.

The S2402 will NOT "increase amp output" , it is simply intended to COMPLETELY isolate two batteries, and nothing else.
Reply · Report · Customer SStaff on Feb 21, 2015
· Add Answer · I Have This Question Too (0)
I am installing a 300 amp alternator into a 2006 Honda CR-V , I have a 2,200 watt stereo system, with one yellow top battery currently up front for main battery, looking to possibly getting a second one to the rear for just the amp, or possibly two more yellow tops, but will this 240 isolator work with my 300 amp alternator?
Antonio P on Apr 3, 2016
· Add Answer · I Have This Question Too (0)

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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 S2402