How to Clean Battery Corrosion and Build Up

How to Clean Battery Corrosion and Build Up(3)

Tips
While it may seem like a bright idea to use a base like baking soda to remove the acid (build up), acid-base reactions are exothermic and can generate significant amounts of heat. These are mild acids and bases, but it's still best to play it safe.

Warnings

1.Battery acid is caustic! Any powdery build-up should be treated as crystallized acid and cleaned with proper hand and eye protection, although gloves and not cleaning too vigorously will get you through in most situations.
If any acid gets into your eyes and mucous membranes (yes, that includes your nose), immediately get the affected body part under the faucet and turn it on to flush away the acid!

2.Using the baking soda will create water and salt. Either of those can cause a short circuit if left in the battery compartment or if it leaks in. Be sure to dry the device thoroughly. Do not immerse it unless you can detach the battery case entirely from the rest of the device. If any of the baking soda/vinegar mixture gets into the device, you're probably best off opening the device and cleaning it off, or taking the device to a professional.

3.As with anything involving monkeying around delicate circuitry with water, acids, and bases, this may cause damage to the device. But with careful cleaning and proper caution, the risk is fairly low.

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