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Here's how to get the most out of your camera's batteries
Batteries keep your camera going, so doesn't it make sense to keep your batteries happy? Here are some quick tips that will keep your batteries running longer:
Rub it the right way
Before putting batteries into your equipment, lightly rub both ends of batteries with a clean pencil eraser. Doing this removes any thin corrosion films and improves the flow of current. Even better, get a Battery Saver, Hakuba Power Pen, or similar contact cleaner pen from your photo dealer. These little gadgets combine a glass-fiber brush and a corrosion–inhibiting fluid that keeps your batteries working to their max. I have had good results with them. In the process of testing many hundreds of batteries I have found that I often get recycling times a full second shorter in the test flash by simply cleaning the contacts with such a brush.
Use thin cloth gloves or a clean handkerchief to grasp button cells when installing them in cameras, meters or calculators. Sweat from your fingers can corrode the battery surfaces or your camera contacts during the year or more service life of the cells. If you do get fingerprints on the button cells, wipe them clean with a cotton swab or napkin lightly dampened with any type of alcohol.