Chicagoland MG Club: Tech Tips

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  Chicagoland MG Club:Tech Tips

Battery Corrosion

To avoid acid residue build-up on battery terminal posts and cable clamps, place a copper penny on top of the battery between the battery posts. (The copper penny will usually stay in place without falling off.) The copper in the penny will absorb the acid residue from the posts and keep the terminal posts and cable clamps clean. On older batteries that appear to give off more acid residue, add an additional penny and place each penny one to two inches from the posts. Make sure that there are no exposed areas of the battery cables near the post terminal clamps, since the stranded copper cables will also absorb acid residue. In about 6 to 9 months, the penny will turn into a small lump of greenish powder. Merely wipe off the powder with a paper towel and replenish with another copper penny as required.

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