Just place this battery post cleaner on top of your battery terminal (disconnected from battery), and rub it around and around and up and down, until all the build up is cleaned away. Inside the battery post cleaner are hundreds of little "teeth" that scrape away all the oxidation build up. When you're done, just reconnect the battery and you're all set.

* Measures 3 inches in length, and weighs under 2 ounces

* Pull off the cap on top to discover a small wire brush to help clean away the corrosion

* Inside the tube you will find hundred of tiny wires to brush the posts from the top

* You will find that this battery post cleaner will always do a thorough job

* This small size tool will fit easily into your glove compartment for handy access when needed