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

Crc 05046 Battery Terminal Protector 7 5 Wt Oz

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Description

🔋 Power up your ride with corrosion-free confidence!

LEAD FREE ECO SMART - Soft, non-toxic coating that protects without compromising safety or the environment.
BOOST BATTERY LONGEVITY - Significantly extends battery life, saving you time and costly replacements.
TRUSTED BY PROS DI YERS - Decades of proven performance with rave reviews—join thousands who never start without it.
CORROSION DEFENSE MASTERY - Stops battery terminal corrosion dead in its tracks for hassle-free starts every time.
UNIVERSAL FIT VERSATILE - Perfect for car, boat, and bulkhead connectors—one solution for all your power needs.

The CRC 05046 Battery Terminal Protector is a 7.5 oz lead-free liquid coating designed to prevent corrosion on battery terminals, cables, and connectors. By protecting these critical points, it ensures easier starts, extends battery life, and is trusted by automotive and marine enthusiasts alike for reliable, long-lasting performance.

Specifications

ASIN	B000CIPUNC
Amazon Bestseller	#1,375,816 in Automotive ( See Top 100 in Automotive ) #2,245 in Automotive Replacement Battery Terminals & Ends
Brand	CRC
Color	Dark Red Viscous Liquid
Customer Reviews	4.8 4.8 out of 5 stars (2,372)
Date First Available	August 9, 2012
Is Discontinued By Manufacturer	No
Item Dimensions L x W x H	6.7 x 6.7 x 19.7 cm
Item Weight	272 g
Item model number	05046
Manufacturer	CRC
Model	05046
Product Dimensions	6.68 x 6.68 x 19.69 cm; 272.16 g

Reviews

O**4

Producto que protege los postes de la batería del auto

Producto que protege los postes de la batería de auto, lo recomiendo al 100

28.09.2025

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

F**R

Good product. No issues.

29.11.2025

A**R

Works Great

Cheaper than going to a store , great product Canadian tire sells all their products except this one

5.10.2024

G**T

Good stuff.

This protector works real good. Saves having to clean the battery post. Just follow the directions. Best if you wear disposable gloves.

3.05.2026

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