Garage
Shop
Account Icon
Account
Box Icon
Track
order
Telephone Icon
Call
Help Icon
Help
Door with Arrow Icon
Sign In
  1. Home
  2. NVX Store
  3. Discontinued NVX Car Audio & Electronics
  4. Discontinued NVX Car Audio Installation & Accessories
  5. Discontinued NVX Car Batteries, Power & Battery Accessories
  6. Discontinued NVX Battery Isolators & Relays

Discontinued NVX Battery Isolators & Relays

NVX carries a great line-up of battery isolators and relays.

Filters
NVX ✕
Clear Filters
Reset Done
Price Range
Compatible Amperage
This is the total number of amps that the battery isolator is designed to continually receive.
Deals
Promotions we have offer More Ways to Shop for items that are on clearance, last chance, special offer and sales, Made in America, and more!

Shop the Category

filter-icon Filters & Sort
You are currently viewing discontinued products.

NVX XSBI500 (Open Box, Good)

Microprocessor-Controlled 500 Amp, Dual Sensing Smart Relay Battery Isolator

XSBI500 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

NVX XSBI500 (Open Box, Good)

Microprocessor-Controlled 500 Amp, Dual Sensing Smart Relay Battery Isolator

• 500 Amp Battery Isolator
• 500 Amps at 12V Continuous
• 700 Amps Surge
• Switching Power: 10 - 16 VDC

• 500 Amp Battery Isolator
• 500 Amps at 12V Continuous
• 700 Amps Surge
• Switching Power: 10 - 16 VDC

NVX XSBI80( Open Box Complete)

Microprocessor-Controlled 80 Amp, Dual Sensing Smart Relay Battery Isolator

XSBI80 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

NVX XSBI80( Open Box Complete)

Microprocessor-Controlled 80 Amp, Dual Sensing Smart Relay Battery Isolator

• 80 Amp Battery Isolator
• 80 Amps at 12V Continuous
• 150 Amps Surge
• Switching Power: 10 - 16 VDC

• 80 Amp Battery Isolator
• 80 Amps at 12V Continuous
• 150 Amps Surge
• Switching Power: 10 - 16 VDC

NVX BIR200 Open Box Complete

200 Amp Relay Isolator (BIR200)

BIR200 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

NVX BIR200 Open Box Complete

200 Amp Relay Isolator (BIR200)

• Open Box Complete
• 200 Amp Battery Isolator
• 200 Amps at 12V Continuous
• 300 Amps Surge
• Switching Power: 10 - 16 VDC

• Open Box Complete
• 200 Amp Battery Isolator
• 200 Amps at 12V Continuous
• 300 Amps Surge
• Switching Power: 10 - 16 VDC

NVX BIR500 (Open Box, Good Condition Used)

500 Amp Relay Isolator (BIR500)

BIR500 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

NVX BIR500 (Open Box, Good Condition Used)

500 Amp Relay Isolator (BIR500)

• 500 Amp Battery Isolator
• 500 Amps at 12V Continuous
• 700 Amps Surge
• Switching Power: 10 - 16 VDC

• 500 Amp Battery Isolator
• 500 Amps at 12V Continuous
• 700 Amps Surge
• Switching Power: 10 - 16 VDC

NVX BIR500 - Open Box, Acceptable Condition (Used)

500 Amp Relay Isolator (BIR500) Open Box Complete (Acceptable, Used)

BIR500 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

NVX BIR500 - Open Box, Acceptable Condition (Used)

500 Amp Relay Isolator (BIR500) Open Box Complete (Acceptable, Used)

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

NVX BIR200 (Open Box, Complete)

200 Amp Relay Isolator (BIR200)

BIR200 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

NVX BIR200 (Open Box, Complete)

200 Amp Relay Isolator (BIR200)

• 200 Amp Battery Isolator
• 200 Amps at 12V Continuous
• 300 Amps Surge
• Switching Power: 10 - 16 VDC

• 200 Amp Battery Isolator
• 200 Amps at 12V Continuous
• 300 Amps Surge
• Switching Power: 10 - 16 VDC

NVX BIR500 (Open Box, Complete)

500 Amp Relay Isolator (BIR500)

BIR500 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

NVX BIR500 (Open Box, Complete)

500 Amp Relay Isolator (BIR500)

• 500 Amp Battery Isolator
• 500 Amps at 12V Continuous
• 700 Amps Surge
• Switching Power: 10 - 16 VDC

• 500 Amp Battery Isolator
• 500 Amps at 12V Continuous
• 700 Amps Surge
• Switching Power: 10 - 16 VDC

NVX BIR200 LIKE NEW DAMAGED PACKAGE

200 Amp Relay Isolator (BIR200)

BIR200 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

NVX BIR200 LIKE NEW DAMAGED PACKAGE

200 Amp Relay Isolator (BIR200)

Like new Damaged Package
• 200 Amp Battery Isolator
• 200 Amps at 12V Continuous
• 300 Amps Surge
• Switching Power: 10 - 16 VDC

Like new Damaged Package
• 200 Amp Battery Isolator
• 200 Amps at 12V Continuous
• 300 Amps Surge
• Switching Power: 10 - 16 VDC

NVX BIR500-OPEN BOX

500 Amp Relay Isolator (BIR500)

BIR500 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

NVX BIR500-OPEN BOX

500 Amp Relay Isolator (BIR500)

• 500 Amp Battery Isolator
• 500 Amps at 12V Continuous
• 700 Amps Surge
• Switching Power: 10 - 16 VDC

• 500 Amp Battery Isolator
• 500 Amps at 12V Continuous
• 700 Amps Surge
• Switching Power: 10 - 16 VDC

NVX XSBI80 (Like New (Open Box))

Microprocessor-Controlled 80 Amp, Dual Sensing Smart Relay Battery Isolator

XSBI80 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

NVX XSBI80 (Like New (Open Box))

Microprocessor-Controlled 80 Amp, Dual Sensing Smart Relay Battery Isolator

• 80 Amp Battery Isolator
• 80 Amps at 12V Continuous
• 150 Amps Surge
• Switching Power: 10 - 16 VDC

• 80 Amp Battery Isolator
• 80 Amps at 12V Continuous
• 150 Amps Surge
• Switching Power: 10 - 16 VDC

NVX XSBI80 (Open Box, Good)

Microprocessor-Controlled 80 Amp, Dual Sensing Smart Relay Battery Isolator

XSBI80 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

NVX XSBI80 (Open Box, Good)

Microprocessor-Controlled 80 Amp, Dual Sensing Smart Relay Battery Isolator

• 80 Amp Battery Isolator
• 80 Amps at 12V Continuous
• 150 Amps Surge
• Switching Power: 10 - 16 VDC

• 80 Amp Battery Isolator
• 80 Amps at 12V Continuous
• 150 Amps Surge
• Switching Power: 10 - 16 VDC

NVX XSBI200 (Like New (Open Box))

Microprocessor-Controlled 200 Amp, Dual Sensing Smart Relay Battery Isolator

XSBI200 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

NVX XSBI200 (Like New (Open Box))

Microprocessor-Controlled 200 Amp, Dual Sensing Smart Relay Battery Isolator

• 200 Amp Battery Isolator
• 200 Amps at 12V Continuous
• 300 Amps Surge
• Switching Power: 10 - 16 VDC

• 200 Amp Battery Isolator
• 200 Amps at 12V Continuous
• 300 Amps Surge
• Switching Power: 10 - 16 VDC

NVX BIR80 (Open Box, Great)

80 Amp Relay and Battery Isolator

BIR80 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

NVX BIR80 (Open Box, Great)

80 Amp Relay and Battery Isolator

• 80 Amp Battery Isolator
• 80 Amps at 12V Continuous
• 150 Amps Surge
• Switching Power: 10 - 16 VDC

• 80 Amp Battery Isolator
• 80 Amps at 12V Continuous
• 150 Amps Surge
• Switching Power: 10 - 16 VDC

NVX BIR500 (Like New (Open Box))

500 Amp Relay Isolator (BIR500)

BIR500 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

NVX BIR500 (Like New (Open Box))

500 Amp Relay Isolator (BIR500)

• 500 Amp Battery Isolator
• 500 Amps at 12V Continuous
• 700 Amps Surge
• Switching Power: 10 - 16 VDC

• 500 Amp Battery Isolator
• 500 Amps at 12V Continuous
• 700 Amps Surge
• Switching Power: 10 - 16 VDC

NVX XSBI500 (Like New (Open Box))

Microprocessor-Controlled 500 Amp, Dual Sensing Smart Relay Battery Isolator

XSBI500 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

NVX XSBI500 (Like New (Open Box))

Microprocessor-Controlled 500 Amp, Dual Sensing Smart Relay Battery Isolator

• 500 Amp Battery Isolator
• 500 Amps at 12V Continuous
• 700 Amps Surge
• Switching Power: 10 - 16 VDC

• 500 Amp Battery Isolator
• 500 Amps at 12V Continuous
• 700 Amps Surge
• Switching Power: 10 - 16 VDC

NVX BIR80 (Open Box, Good)

80 Amp Relay and Battery Isolator

BIR80 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

NVX BIR80 (Open Box, Good)

80 Amp Relay and Battery Isolator

• 80 Amp Battery Isolator
• 80 Amps at 12V Continuous
• 150 Amps Surge
• Switching Power: 10 - 16 VDC

• 80 Amp Battery Isolator
• 80 Amps at 12V Continuous
• 150 Amps Surge
• Switching Power: 10 - 16 VDC

 
    Clear all

    NVX Battery Isolators & Relays Information

    NVX battery isolators and relays eliminates voltage drop to ensure you do not have a drained starter battery again. Additionally, these smart battery Isolators also help lengthen the life of your starter battery. These NVX battery isolators and relays are a smart choice for your installation.
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store     Delete

    2007 Mitsubishi Eclipse

    2017 Volvo S90

    2017 Cadillac XTS

    2012 Ram 2500

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm

    Cancel

    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue

    Cancel

    Shop your 2007 Eclipse
    Why Use a Vehicle Fit Guide?
    Change vehicle | Shop without vehicle
    Whoa! Slow down. Add your details below!
    additional information required
    Add vehicle details to confirm fitment
    Ignore fitment details
    Find stereos and more that work -- fast.

    Additional information:

    Remove

    Can't find your vehicle? Click here and we'll help.

    Where to find vehicle info

    Go to Fitment

    Didn't find your car?

    Submit your details and we'll help!
    Please enter the letters as they are shown in the image above. Letters are not case-sensitive.
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon
    Back

    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

    Back
    Track your order
    Call our experts
    Support Center
    Return & Exchanges
    Follow on Instagram Instagram logo
    Subscribe on YouTube YouTube logo