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expiredphoinix | Staff posted Nov 03, 2025 10:17 AM
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expiredphoinix | Staff posted Nov 03, 2025 10:17 AM

12.25-Oz NOCO Battery Terminal Cleaner Spray & Corrosion Cleaner w/ Acid Detector

$3.15

$13

75% off
Amazon
24 Comments 6,369 Views
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Deal Details
Amazon has 12.25-Oz NOCO E404 Battery Terminal Cleaner Spray and Corrosion Cleaner with Acid Detector for $3.16. Shipping is free w/ Prime or on $35+ orders.

Thanks to Deal Hunter phoinix for sharing this deal.

Features:
  • Removes Battery Corrosion - Instantly neutralizes, dissolves, and removes battery corrosion - simply spray-on and rinse-off.
  • Acid Detection - Quickly detects the presence of battery corrosion by providing a pink indicator upon contact.
  • Improved Performance - Removes battery corrosion for improved electrical connections and current flow for increased cranking ability.
  • Fast Acting - A fast-acting foaming action breaks down tough corrosion build-up within seconds.
  • Universal - A battery terminal cleaner for use on all types of vehicles and batteries, including battery terminals, battery cables, and more.

Editor's Notes

Written by citan359 | Staff

Original Post

Written by phoinix | Staff
Product Info
Community Notes
About the Poster
Deal Details
Product Info
Community Notes
About the Poster
Amazon has 12.25-Oz NOCO E404 Battery Terminal Cleaner Spray and Corrosion Cleaner with Acid Detector for $3.16. Shipping is free w/ Prime or on $35+ orders.

Thanks to Deal Hunter phoinix for sharing this deal.

Features:
  • Removes Battery Corrosion - Instantly neutralizes, dissolves, and removes battery corrosion - simply spray-on and rinse-off.
  • Acid Detection - Quickly detects the presence of battery corrosion by providing a pink indicator upon contact.
  • Improved Performance - Removes battery corrosion for improved electrical connections and current flow for increased cranking ability.
  • Fast Acting - A fast-acting foaming action breaks down tough corrosion build-up within seconds.
  • Universal - A battery terminal cleaner for use on all types of vehicles and batteries, including battery terminals, battery cables, and more.

Editor's Notes

Written by citan359 | Staff

Original Post

Written by phoinix | Staff

Community Voting

Deal Score
+33
Good Deal
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Price Intelligence

Model: NOCO E404 12.25 Oz Battery Terminal Cleaner Spray and Corrosion Cleaner with Acid Detector

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Sort: Lowest to Highest | Last Updated 2/3/2026, 06:01 AM
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Top Comments

tsglenn
1753 Posts
1286 Reputation
In fact, I just did a week ago using the bottle I got on a similar deal months ago. Had to change the battery in my wife's car, and the terminal clamps and bracket were caked in corrosion. This spray is a quickly expanding yellow foam that turns pink as it reacts with the acidic corrosion. It was messy but did the job. Rinse with water. You do still have to brush and probably repeat. I had to chip away at the heaviest corrosion, but this spray did its job and got me to bare metal. I then used felt corrosion inhibiting pads and applied dielectric grease liberally, neither of which did I use last time.
dud
2661 Posts
274 Reputation
OR, you can spend a buck on some baking soda and a used tooth brush. I've spent about $2 on this method over the last 40 years …it never fails.

Don't forget to swab the battery posts with petroleum jelly when replacing a battery. No corrosion in decades!

24 Comments

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Nov 03, 2025 01:10 PM
1,244 Posts
Joined Jun 2009
somelousyluckNov 03, 2025 01:10 PM
1,244 Posts
Has anyone used this?
Nov 03, 2025 01:19 PM
578 Posts
Joined Dec 2021
BraveTeam7995Nov 03, 2025 01:19 PM
578 Posts
Quote from somelousyluck :
Has anyone used this?
i did, the gel works better.. my battery loves getting corrossions
1
Nov 03, 2025 01:21 PM
1,753 Posts
Joined Feb 2006
tsglennNov 03, 2025 01:21 PM
1,753 Posts

Our community has rated this post as helpful. If you agree, why not thank tsglenn

Quote from somelousyluck :
Has anyone used this?
In fact, I just did a week ago using the bottle I got on a similar deal months ago. Had to change the battery in my wife's car, and the terminal clamps and bracket were caked in corrosion. This spray is a quickly expanding yellow foam that turns pink as it reacts with the acidic corrosion. It was messy but did the job. Rinse with water. You do still have to brush and probably repeat. I had to chip away at the heaviest corrosion, but this spray did its job and got me to bare metal. I then used felt corrosion inhibiting pads and applied dielectric grease liberally, neither of which did I use last time.
4
Nov 03, 2025 01:23 PM
1,244 Posts
Joined Jun 2009
somelousyluckNov 03, 2025 01:23 PM
1,244 Posts
Quote from tsglenn :
In fact, I just did a week ago using the bottle I got on a similar deal months ago. Had to change the battery in my wife's car, and the terminal clamps and bracket were caked in corrosion. This spray is a quickly expanding yellow foam that turns pink as it reacts with the acidic corrosion. It was messy but did the job. Rinse with water. You do still have to brush and probably repeat. I had to chip away at the heaviest corrosion, but this spray did its job and got me to bare metal. I then used felt corrosion inhibiting pads and applied dielectric grease liberally, neither of which did I use last time.
Ty so much for info
Nov 03, 2025 01:34 PM
22 Posts
Joined Apr 2012
theroman84Nov 03, 2025 01:34 PM
22 Posts
Is this any better than just a baking soda and water solution?
Nov 03, 2025 01:39 PM
4,992 Posts
Joined Jan 2011
thumper300zxNov 03, 2025 01:39 PM
4,992 Posts
Quote from theroman84 :
Is this any better than just a baking soda and water solution?
I'm gonna try this spray. That said, warm water and baking soda with a toothbrush have always worked great for me and always available.
Nov 03, 2025 01:48 PM
471 Posts
Joined Jun 2006
thesandmanNov 03, 2025 01:48 PM
471 Posts
I remember my dad using a can of coke back in the day and swearing by it, lol. I'm sure baking soda or this spray would work much better.

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Nov 03, 2025 01:53 PM
1,010 Posts
Joined Jul 2013
cyberchoNov 03, 2025 01:53 PM
1,010 Posts

Our community has rated this post as helpful. If you agree, why not thank cybercho

Save your money. Baking soda is the way to go.
1
1
Nov 03, 2025 02:03 PM
2,661 Posts
Joined Mar 2008
dudNov 03, 2025 02:03 PM
2,661 Posts

Our community has rated this post as helpful. If you agree, why not thank dud

OR, you can spend a buck on some baking soda and a used tooth brush. I've spent about $2 on this method over the last 40 years …it never fails.

Don't forget to swab the battery posts with petroleum jelly when replacing a battery. No corrosion in decades!
4
Nov 03, 2025 03:40 PM
1,435 Posts
Joined Sep 2011
SoukaNov 03, 2025 03:40 PM
1,435 Posts
Serious question here.... why have I never had battery posts corrode in my 40yrs of being around cars?

Datsun (510 and 280z WOO HOO!) , VW, Nissan, Toyota, Subaru, Ford, Mazda.... battery terminals always look like, well... battery terminals. No corrosion ever. Never treated with any felt disks, red spray, baking soda, etc... nothing.

Cars mostly parked outside... some get barely 3k/yr, some drive 15k miles year, some park indoors.

I'm gonna guess it's my enviroment... east of seattle a bit
Nov 03, 2025 03:46 PM
454 Posts
Joined Dec 2016
couchyNov 03, 2025 03:46 PM
454 Posts
Not sure if I'd want to clean my battery with "extremely flammable aerosol".
1
Nov 03, 2025 04:04 PM
2 Posts
Joined Aug 2025
MaroonGoat1378Nov 03, 2025 04:04 PM
2 Posts
Quote from somelousyluck :
Has anyone used this?
I've used it when I had noticeable blue colored corrosion build up on what I think was a bad battery. It works great.
Nov 03, 2025 04:17 PM
1,959 Posts
Joined Jul 2006
Tyler.DurdenNov 03, 2025 04:17 PM
1,959 Posts
Quote from Souka :
Serious question here.... why have I never had battery posts corrode in my 40yrs of being around cars?

Datsun (510 and 280z WOO HOO!) , VW, Nissan, Toyota, Subaru, Ford, Mazda.... battery terminals always look like, well... battery terminals. No corrosion ever. Never treated with any felt disks, red spray, baking soda, etc... nothing.

Cars mostly parked outside... some get barely 3k/yr, some drive 15k miles year, some park indoors.

I'm gonna guess it's my enviroment... east of seattle a bit
I was actually thinking the same thing when reading this, absolutely no corrosion for me either, except I'm a little further east across the mountains.
Nov 03, 2025 04:46 PM
258 Posts
Joined May 2017
IzzCNov 03, 2025 04:46 PM
258 Posts
Looks to be dead at the moment. Showing 11.72 for me

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Nov 03, 2025 04:47 PM
1,971 Posts
Joined Nov 2010
testshootNov 03, 2025 04:47 PM
1,971 Posts
Quote from dud :
OR, you can spend a buck on some baking soda and a used tooth brush. I've spent about $2 on this method over the last 40 years …it never fails.Don't forget to swab the battery posts with petroleum jelly when replacing a battery. No corrosion in decades!
When working as a mechanic, we just used grease as it was available. Don't know what would make petroleum jelly better.

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