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Blue_Ranger 15.4K Views
Feb 8, 2024 9:06 PM

2-Pack NOCO Oil-Based Anti-Corrosion Battery Terminal Protector Washers

$1.00

$2.99

66% off
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Deal Details
Amazon has 2-Pack NOCO Oil-Based Anti-Corrosion Battery Terminal Protector Washers (NCP2 MC303) on sale for $0.97. Shipping is free w/ Prime or on $35+ orders.

Walmart has 2-Pack NOCO Oil-Based Anti-Corrosion Battery Terminal Protector Washers (NCP2 MC303) on sale for $0.97. Select store pick up where stock permits.
  • Note: Availability for free store pick up may vary by location.
Thanks to Deal Hunter Blue_Ranger for finding this deal.

Features:
  • Fits both top-post and side-post batteries with a removable inner ring to accommodate side-post applications.
  • Saturated washers with a rugged battery corrosion inhibitor grease that does not dry or evaporate.
  • Eliminates battery corrosion to avoid poor electrical connections and current flow for increased cranking ability.

Editor's Notes

Written by megakimcheelove | Staff
  • Our research indicates that this offer is $0.58 lower (37% savings) than the next best available price from a reputable merchant with prices starting from $1.55.
  • Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
  • If you're not a student, there's also a free 1-Month Amazon Prime trial available.

Original Post

Written by Blue_Ranger
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Amazon has 2-Pack NOCO Oil-Based Anti-Corrosion Battery Terminal Protector Washers (NCP2 MC303) on sale for $0.97. Shipping is free w/ Prime or on $35+ orders.

Walmart has 2-Pack NOCO Oil-Based Anti-Corrosion Battery Terminal Protector Washers (NCP2 MC303) on sale for $0.97. Select store pick up where stock permits.
  • Note: Availability for free store pick up may vary by location.
Thanks to Deal Hunter Blue_Ranger for finding this deal.

Features:
  • Fits both top-post and side-post batteries with a removable inner ring to accommodate side-post applications.
  • Saturated washers with a rugged battery corrosion inhibitor grease that does not dry or evaporate.
  • Eliminates battery corrosion to avoid poor electrical connections and current flow for increased cranking ability.

Editor's Notes

Written by megakimcheelove | Staff
  • Our research indicates that this offer is $0.58 lower (37% savings) than the next best available price from a reputable merchant with prices starting from $1.55.
  • Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
  • If you're not a student, there's also a free 1-Month Amazon Prime trial available.

Original Post

Written by Blue_Ranger

Community Voting

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+38
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Top Comments

Selman
4.3KComments
1.7KReputation
These are pretty effective on their own. I've had them on for years with very little buildup on a car that previously made a lot of the blue-green crystallization. The manufacturer recommends spraying some of this NCP2 spray over the wire end and terminal once bolted together. I've always skipped their cleaner and just used a wire brush with good results.

This is probably a lifetime supply for an average user:
https://a.co/d/di76cm7

It's also sold as a kit like this:
https://a.co/d/8E7EyAK
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Selman
4.3KComments
1.7KReputation
You unbolt the wire terminal end. This little oiled felt washer sits on the battery. Then you bolt the wire terminal end back on. Most batteries are a 10mm socket. Takes a minute or two.

If you have side posts, the washer is perforated to tear out the smaller ring for the smaller terminals.
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18 Comments

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Feb 9, 2024 3:20 PM
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Joined Jul 2010
SelmanFeb 9, 2024 3:20 PM
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Our community has rated this post as helpful. If you agree, why not thank

These are pretty effective on their own. I've had them on for years with very little buildup on a car that previously made a lot of the blue-green crystallization. The manufacturer recommends spraying some of this NCP2 spray over the wire end and terminal once bolted together. I've always skipped their cleaner and just used a wire brush with good results.

This is probably a lifetime supply for an average user:
https://a.co/d/di76cm7

It's also sold as a kit like this:
https://a.co/d/8E7EyAK
Last edited by Selman February 9, 2024 at 07:22 AM.
3
Feb 9, 2024 3:26 PM
1.4K Comments
Joined Sep 2022
TealIdea227Feb 9, 2024 3:26 PM
1.4K Comments
Quote from Selman View quoted comment :
This is probably a lifetime supply for an average user:
https://a.co/d/di76cm7
That's really helpful. I have to say, I started buying AGM batteries a very long time ago, and somewhere in there I just stopped using things like this and had no major effects. But every time I touch a vehicle with a flooded battery, it's a mess.
Feb 9, 2024 3:31 PM
203 Comments
Joined Feb 2024
orangemossFeb 9, 2024 3:31 PM
203 Comments
So the terminaI caps wiII stiII sit flush with these on?
Feb 9, 2024 3:51 PM
3.7K Comments
Joined Nov 2007
chenerFeb 9, 2024 3:51 PM
3.7K Comments
Quote from TealIdea227 View quoted comment :
That's really helpful. I have to say, I started buying AGM batteries a very long time ago, and somewhere in there I just stopped using things like this and had no major effects. But every time I touch a vehicle with a flooded battery, it's a mess.
So these are helpful for the regular batteries but unnecessary for AGM ones, right?
Feb 9, 2024 3:58 PM
4.3K Comments
Joined Jul 2010
SelmanFeb 9, 2024 3:58 PM
4.3K Comments

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Quote from orangemoss View quoted comment :
So the terminaI caps wiII stiII sit flush with these on?
You unbolt the wire terminal end. This little oiled felt washer sits on the battery. Then you bolt the wire terminal end back on. Most batteries are a 10mm socket. Takes a minute or two.

If you have side posts, the washer is perforated to tear out the smaller ring for the smaller terminals.
Last edited by Selman February 9, 2024 at 08:14 AM.
1
Feb 9, 2024 4:01 PM
4.3K Comments
Joined Jul 2010
SelmanFeb 9, 2024 4:01 PM
4.3K Comments
Quote from chener View quoted comment :
So these are helpful for the regular batteries but unnecessary for AGM ones, right?
I'd say correct. AGMs are said to not corrode like a flooded lead-acid battery. Most cars still have a lead-acid battery, but this is changing rapidly as manufacturers put batteries in unusual places, like under seats.

If I had a vehicle exposed to salt like a wintry environment or driving on a beach, I'd probably spray the posts anyway. I've seen a few cars not start when the battery terminal looked just fine. Removed terminal, brushed, and reinstalled and started right up.
Last edited by Selman February 9, 2024 at 08:14 AM.
Feb 9, 2024 4:05 PM
4.3K Comments
Joined Jul 2010
SelmanFeb 9, 2024 4:05 PM
4.3K Comments
Quote from TealIdea227 View quoted comment :
That's really helpful. I have to say, I started buying AGM batteries a very long time ago, and somewhere in there I just stopped using things like this and had no major effects. But every time I touch a vehicle with a flooded battery, it's a mess.
I don't know why it happens, but I've always found it vehicle dependent. My wife's car has a lead-acid battery and it makes very little corrosion. On the other hand, we've got a Honda with a fuse block mounted directly to the positive terminal, and that thing will grow crystals rapidly without protection. AGMs are awesome. Had to use them on a couple sports cars. Just wish they weren't selling for around $250 now.
Last edited by Selman February 9, 2024 at 08:25 AM.

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Feb 9, 2024 6:27 PM
1.4K Comments
Joined Sep 2022
TealIdea227Feb 9, 2024 6:27 PM
1.4K Comments
Quote from chener View quoted comment :
So these are helpful for the regular batteries but unnecessary for AGM ones, right?
I'm not going to say that - you should probably keep an eye on things. But the washers are generally for fumes leaking from around the posts, and if you need anything at all with an AGM battery, the spray is probably more helpful.
Feb 9, 2024 7:17 PM
303 Comments
Joined Feb 2008
smartymoneyFeb 9, 2024 7:17 PM
303 Comments

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Always this Same price at walmart
1
Feb 9, 2024 7:22 PM
286 Comments
Joined May 2021
IndigoBirdFeb 9, 2024 7:22 PM
286 Comments
are they reusable?
Feb 9, 2024 8:17 PM
59 Comments
Joined Apr 2010
SolaScripturaFeb 9, 2024 8:17 PM
59 Comments
Quote from orangemoss View quoted comment :
So the terminaI caps wiII stiII sit flush with these on?
I had one car where these ended up being too thick, so they did not allow the terminals to seat properly. (It might have been on a Ford Flex.)
Depending on the geometry of the battery electrodes (which are generally slightly tapered) in conjunction with the tolerances of the cable terminals (and the wear and tear of each, from corrosion, etc.), these pads can get in the way -- ever so slightly -- of being able to seat the cable fully, and/or become loose over time.
That said, I have used these pads dozens of times on lots of vehicles and they only got in the way on one car. YMMV
1
Feb 9, 2024 8:27 PM
913 Comments
Joined Oct 2011
SuperXeroFeb 9, 2024 8:27 PM
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This is regular all the time price.
1
Feb 10, 2024 12:52 AM
552 Comments
Joined Aug 2013
texag09Feb 10, 2024 12:52 AM
552 Comments
Quote from IndigoBird View quoted comment :
are they reusable?
Technically probably are. However they're impregnated with chemicals that prevent corrosion and neutralize acid that may vent from the terminals (my understanding). So yes, reusable, but probably going to lose efficacy over time.

I think I bought a similar package from a local store and it also had a grease that came with it that you're supposed to apply to the terminals on top of the leads once it's installed.
1
Feb 10, 2024 2:28 AM
216 Comments
Joined Jun 2006
tetFeb 10, 2024 2:28 AM
216 Comments
Quote from Selman View quoted comment :
You unbolt the wire terminal end. This little oiled felt washer sits on the battery. Then you bolt the wire terminal end back on. Most batteries are a 10mm socket. Takes a minute or two.

If you have side posts, the washer is perforated to tear out the smaller ring for the smaller terminals.
I just took care of all of this a couple days ago. Discovered my Frontier has the standard 10mm on the negative terminal but a 9mm on the positive terminal. Possibly because the positive has one of those fuse blocks on it. The wife's Outback was 10mm on both terminals though.
1

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Feb 10, 2024 4:22 PM
829 Comments
Joined Jul 2022
LivelyManatee460Feb 10, 2024 4:22 PM
829 Comments
Is there any reason to use this if you have a 12v Lithium battery?

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