The DeoxIT® Service Kit, $60 from Caig Laboratories, comes in a zip-top bag with a variety of products incorporating their DeoxIT® contact cleaner including sprays, wipes, and brush applicators. Caig claims that DeoxIT® is a “fast-acting, deoxidizing solution that cleans, protects, lubricates, and improves conductivity on all metal connectors and contacts.”
Different versions and sizes of DeoxIT® are available through Amazon and other web sites.
I have used DeoxIT® on many connections including tool battery packs, flashlight batteries, vehicle batteries, vehicle audio and antennas, and computers — and found that it does work. Have you used DeoxIT®, or similar contact cleaners? What’s your opinion of it?