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expiredNavy-Wife | Staff posted Jun 13, 2023 04:38 AM
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expiredNavy-Wife | Staff posted Jun 13, 2023 04:38 AM

2-Pack NOCO NCP2 MC303 Oil-Based Battery Terminal Protectors

+ Free Store Pickup

$0.95

$3.99

76% off
Walmart
39 Comments 19,536 Views
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Deal Details
Walmart has 2-Pack NOCO NCP2 MC303 Oil-Based Battery Terminal Protectors on sale for $0.97. Select free store pickup where stock permits.

Thanks to Deal Hunter Navy-Wife for finding this deal.

Features:
  • Stops corrosion for the life of your battery, making all surfaces impenetrable to corrosion-causing acid fumes.
  • 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
  • Fits both top-post and side-post batteries with a removable inner ring to accommodate side-post applications

Editor's Notes

Written by powerfuldoppler | Staff
  • About this deal:
    • This price matches this previous Frontpage Deal
  • About this product:
    • Rating of 4.7 from over 2,200 Amazon customer reviews.
  • About this store:
No Longer Available:

Amazon has 2-Pack NOCO NCP2 MC303 Oil-Based Battery Terminal Protectors on sale for $0.97. Shipping is free with Prime or on orders $25+.

Original Post

Written by Navy-Wife | Staff
Product Info
Community Notes
About the Poster
Deal Details
Product Info
Community Notes
About the Poster
Walmart has 2-Pack NOCO NCP2 MC303 Oil-Based Battery Terminal Protectors on sale for $0.97. Select free store pickup where stock permits.

Thanks to Deal Hunter Navy-Wife for finding this deal.

Features:
  • Stops corrosion for the life of your battery, making all surfaces impenetrable to corrosion-causing acid fumes.
  • 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
  • Fits both top-post and side-post batteries with a removable inner ring to accommodate side-post applications

Editor's Notes

Written by powerfuldoppler | Staff
  • About this deal:
    • This price matches this previous Frontpage Deal
  • About this product:
    • Rating of 4.7 from over 2,200 Amazon customer reviews.
  • About this store:
No Longer Available:

Amazon has 2-Pack NOCO NCP2 MC303 Oil-Based Battery Terminal Protectors on sale for $0.97. Shipping is free with Prime or on orders $25+.

Original Post

Written by Navy-Wife | Staff

Community Voting

Deal Score
+39
Good Deal
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Price Intelligence

Model: Protective Washer,Gray,10-13/32" L

Deal History 

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Sort: Lowest to Highest | Last Updated 9/16/2025, 11:36 PM
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Top Comments

erishun
2913 Posts
1093 Reputation
yeah thats the joke
BadgerStabber
1103 Posts
218 Reputation
Has nothing to do with reversing connection with factory wiring...

More to do with idiots reversing when jump starting.
lui1828
414 Posts
104 Reputation
Can I use new Vaseline or does it have to be used Vaseline?

38 Comments

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Jun 13, 2023 10:58 AM
3,280 Posts
Joined Feb 2014
iukuJun 13, 2023 10:58 AM
3,280 Posts
Used Vaseline when changed battery 4 years ago, no issues so far.
1
Jun 13, 2023 01:26 PM
634 Posts
Joined Jun 2010
lawrnkJun 13, 2023 01:26 PM
634 Posts
Wish they had one red and one black.
1
Jun 13, 2023 02:00 PM
414 Posts
Joined Jun 2007
lui1828Jun 13, 2023 02:00 PM
414 Posts
Quote from iuku :
Used Vaseline when changed battery 4 years ago, no issues so far.
Can I use new Vaseline or does it have to be used Vaseline?
16
6
Jun 13, 2023 02:13 PM
14 Posts
Joined Feb 2023

This comment has been rated as unhelpful by Slickdeals users.

Jun 13, 2023 02:16 PM
2,913 Posts
Joined Dec 2007
erishunJun 13, 2023 02:16 PM
2,913 Posts

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

Quote from ShrewdCaption5814 :
I think he meant he used it not it was used
yeah thats the joke
3
7
4
Jun 13, 2023 03:18 PM
772 Posts
Joined Dec 2007

This comment has been rated as unhelpful by Slickdeals users.

Jun 13, 2023 03:46 PM
1,103 Posts
Joined Jan 2016
BadgerStabberJun 13, 2023 03:46 PM
1,103 Posts
Quote from enzolt :
Why? What value does that provide? Its a piece of cloth....
Easy visual reference positive and ground for those with those are "less" mechanically inclined.
4

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Jun 13, 2023 03:49 PM
789 Posts
Joined Dec 2019
OG-BluntmanJun 13, 2023 03:49 PM
789 Posts
FYI, great S&S filler item.
Jun 13, 2023 03:53 PM
772 Posts
Joined Dec 2007
enzoltJun 13, 2023 03:53 PM
772 Posts
Quote from BadgerStabber :
Easy visual reference positive and ground for those with those are "less" mechanically inclined.
Or...

"place the felt on each battery post. no room for error since they are both the same and wont cause any confusion in regards to polarity (since its a piece of cloth)."
2
4
Jun 13, 2023 04:05 PM
623 Posts
Joined Nov 2017
fieldcarJun 13, 2023 04:05 PM
623 Posts
Quote from BadgerStabber :
Easy visual reference positive and ground for those with those are "less" mechanically inclined.
Most modern vehicles make it impossible to reverse the polarity by limiting the length of the movable section of the battery wire, so it's usually not necessary unless you have something pretty old or custom wiring.
2
Jun 13, 2023 04:07 PM
1,103 Posts
Joined Jan 2016
BadgerStabberJun 13, 2023 04:07 PM
1,103 Posts

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

Quote from fieldcar :
Most modern vehicles make it impossible to reverse the polarity by limiting the length of the movable section of the battery wire, so it's usually not necessary unless you have something pretty old or custom wiring.
Has nothing to do with reversing connection with factory wiring...

More to do with idiots reversing when jump starting.
1
Jun 13, 2023 04:07 PM
1,372 Posts
Joined Sep 2018
gathermewoolJun 13, 2023 04:07 PM
1,372 Posts

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

Aren't these only good if the post is leaking acid? I use dielectric grease or CRC protector spray. Vaseline melts and runs, IME.

I also use CRC cleaner with acid indicator when I clean up the terminals and battery posts and have been lucky lately with no indications of post leakage.
1
Jun 13, 2023 05:29 PM
1,327 Posts
Joined Oct 2011
siddmonJun 13, 2023 05:29 PM
1,327 Posts
Quote from fieldcar :
Most modern vehicles make it impossible to reverse the polarity by limiting the length of the movable section of the battery wire, so it's usually not necessary unless you have something pretty old or custom wiring.
You are assuming I didn't screw it up and installed the battery in the wrong way and now + and - are inverted
2
Jun 13, 2023 07:29 PM
2,573 Posts
Joined Nov 2005
ciswtJun 13, 2023 07:29 PM
2,573 Posts
Quote from siddmon :
You are assuming I didn't screw it up and installed the battery in the wrong way and now + and - are inverted
i wanted to do this on purpose because the reversed polarity battery of the same physical dimensions as mine was a bunch cheaper; as the other poster said, the cables were too short to allow this even with the battery installed backwards.

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Jun 13, 2023 09:10 PM
634 Posts
Joined Jun 2010
lawrnkJun 13, 2023 09:10 PM
634 Posts
Quote from fieldcar :
Most modern vehicles make it impossible to reverse the polarity by limiting the length of the movable section of the battery wire, so it's usually not necessary unless you have something pretty old or custom wiring.
Unless you use jumper cables.
1

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