Go ahead and use it. Something is better than nothing at all.

 

I've used a big glob of vaseline in the past, just need to block out the air.

 

I use silicone grease and it seems to work well. I think noalox is just silicone grease with suspended conductive grit so that when you torque it down the grit bites through the oxidization, I wouldn't be surprised if noalox worked great for battery terminals.

 

What we use on batteries per the manufactures
NO-OX-ID-A


https://www.amazon.com/NO-OX-ID-Tube-Special-Grease-Compound/dp/B00HSW341A

 

This is also a spec for a lot of the manufacturer's equipment such as MCCs, discos, etc.

Cheers
John

 

I generally use Never-Seize, hasn’t failed me yet.

 

I usually use plain axle grease for any electrical connection - battery, aluminum, etc. Anything that keeps the air out works just fine as an oxide inhibitor. Doesn't necessarily have to be conductive. When you tighten the connection, the grease squeezes out and you have straight metal to metal contact.
Only place you really need to be picky on what kind of grease you use is when you are close to another conductor that you shouldn't be shorting out to like a light bulb socket or a spark plug boot. There, insist on dielectric grease.

 

On the batteries for the gensets we install, we use dielectric grease.

 

Sparling I hope, dielectric grease will conduct and if it melts and contacts any metal components of the engine will lead to self-discharge of the battery, in a UPS system it results in ground fault alarms..

 

Clean terminals and lugs require no grease. IMO of course.....lol

 

The terminals are clean now. Battery terminals tend to corrode or otherwise get funky over time.

 

I like the silicone for a few reasons. For one it's dielectric, you don't wind up with a conductive trace if it drips or runs. You'd think a dielectric / insulator in an electrical connection would be a bad thing but as @JoeSparky points out under pressure when torqued, it is squeezed out and you are left with metal to metal. It's in the gaps where corrosion occurs, there any grease will seal out air and prevent oxidization.

Silicone is usually the least likely to damage plastic or rubber, if you get oil or grease on rubber or some plastic, it will swell and weaken it.

And silicone grease is generally harder to wash off than others, white lithium grease and lanolin based grease hold up pretty well in water, better than regular grease, but I think silicone grease might be the best.

 

Ive always used this stuf on car batteries

Clean with baking soda and vinegar, then spray this on

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There you go, getting all sensible on us again.

 

Die electric grease is good, but on a lawnmower I just see it collecting grass n dirt!

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I had a part time job in a service station when I was a kid, did minor repairs and etc. The mechanic was a friend of mine and knew I was handy with electricity and electronic issues, so once in a while he'd have me look at one that had him stumped.



I fixed a lot of things by just brightening up the battery and ground strap terminals and lugs, greasing them up with silicone grease, and putting them back together. I go to where I did that before I'd even try to figure things out. A lot of times the connections looked fine and were tight, but this fixed things. I imagine the oxidization can creep in there, swell a bit and you wind up barely connected or no connection.



Years later maintaining the batteries for a telco CO, everyone used the manufacturer supplied terminal grease, those systems worked great and I don't ever remember getting a bad connection on a terminal.

 

With lead acid battery you can have acid migration, that is where the acid creeps up the post as no post seals are perfect. This causes a hard crust that is not conductive and leads to high resistance connections.

 

Dump some bug juice on it before you tighten. Good drink, and problem solved

 

I would think you would want something di-electric

 

On all of my vehicles, I have always used regular wheel bearing grease. Most anything to seal the connection will be beneficial.

 

I use either silicone rubber grease like I use on load breaks or super lube multi purpose, I always have a couple tubes of each in the trucks. Always have my battery brushes too, common fix on gensets and engine driven compressors is messed up batteries.