Approximately how many terminals can be coated using a single can?

I believe Toni made a mistake as she must live in Bolivia because in North American it's a known fact by most everyone with a Harvard PHD in Osmosis that with the gravitational pull of Mars on our solar system you'll get 478 uses on average size terminals (4cm wide). I'm sure she didn't do it intentionally and probably went to a public college, poor thing.... easy mistake to. make! Good Luck :)

If i use this spray, do i still need battery anti corrosion washers?

I still use the washers on my car battery for added protection as they're quite inexpensive. I cut through one side with scissors and push them around the posts under the terminals. Saves me from disconnecting the terminals and the washers stay in place for years. On my golf cart, I just use the spray after washing down the batteries once a year. The spray seems to need re coating about once a year. I don't use the washers on the golf cart. So far, on the golf cart the terminals have remained corrosion free.

Is this comparable to dielectric grease, and can that be used instead of this?

Dielectric grease is non conductive. Petroleum Jelly is conductive. I want to protect a trailer 7 blade round connectors and will op for PJ.

Can I spray this on top of a little bit of corrosion? I am not able to remove all of it. Thanks.

Can you? Sure. Should you? NO. To be done right the terminal should be removed and thoroughly cleaned of all cossosion, then, apply the protective spray. Spraying it over corrosion wont stop it. If you cant get the terminal off, spray or pour vinegar and water on it to dissolve. Let it dry completely, then spray the terminals. Be safe

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Description

🛠️ Keep your power flowing—corrosion doesn’t stand a chance!

VERSATILE PROTECTION - Ideal for car, boat, mower & bulkhead connectors
LONG TERM BATTERY HEALTH - Extends battery lifespan, saving you costly replacements
EFFORTLESS ENGINE IGNITION - Keeps terminals clean for reliable, hassle-free starts
ULTIMATE CORROSION DEFENSE - Lead-free soft coating locks out rust and decay
TRUSTED BY PROS FOR DECADES - Proven formula with 4.8-star rating and loyal users

CRC 05046 Battery Terminal Protector is a 7.5 oz lead-free spray designed to prevent corrosion on battery terminals, cables, and connectors. By forming a protective barrier, it ensures easier engine starts and extends battery life, trusted by professionals and enthusiasts alike since 2006.

Reviews

T**R

Great product, works perfect on cars and my boat.

I've used this for decades, it's proven corrosive prohibitor. I respray everytime I change the oil. I also use on my Ranger boat batteries. High quality, great value.

5.03.2026

A**R

A must for your lead-acid battery post.

This stuff does work. I was having trouble with corrosion on the hot post of my mower battery. Cleaned off the post and connector, sprayed them with CRC 05046 and no more corrosion.

30.01.2026

M**C

Does what it's suppose to do!

Great product

20.02.2026

D**K

Battery Life Saved — No More Corrosion Nightmares! 🔋🔥

I used to dread dealing with rusty, crusty battery terminals every few months. Then I found this Battery Terminal Protector, and honestly, it’s a game changer. After cleaning, a quick spray seals everything with a strong barrier that keeps corrosion away way longer than anything else I tried. It even changes color so I know when to reapply—super handy. Since I started using it, my truck starts smoother and I’ve had zero battery issues. If you want your battery to last and stay reliable, this is the one to grab. No more headaches, just peace of mind. 🙌⚡

9.07.2025

S**Y

It works

Keeps battery and terminal from corrosion

2.10.2025

S**E

Long-Lasting Battery Protection with Easy Maintenance

I tried this product a few months ago for a battery replacement, and I'm amazed by the lasting red coating it provides. With enough volume, I can top it up annually if necessary. Pairing it with foam-soaked anticorrosion ports ensures my car always starts up smoothly. Highly recommend!

17.06.2025

H**9

Battery Terminal Protector

I have three vehicles and one golf cart, and I use this terminal protector on all of them. I live in the south where the humidity is very high in the summer. The terminals stay clean and clear of corrosion all year long.

4.01.2026

A**A

Battery terminal protector spray

This battery terminal protector spray works well and I am happy with my purchase.

30.10.2025

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€ 23.74

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Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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ASIN	B000CIPUNC
Brand	CRC
Customer Reviews	4.8 4.8 out of 5 stars (2,424)
Date First Available	March 1, 2006
Is Discontinued By Manufacturer	No
Item Weight	9.6 ounces
Item model number	05046
Manufacturer	CRC
Manufacturer Part Number	05046
Model	05046
Product Dimensions	2.63 x 2.63 x 7.75 inches

05046 Battery Terminal Protector - 7.5 Wt Oz.

Description

Specifications

Reviews

Common Questions