use of batteries

rbiggSeptember 27, 2009

I've got a Cordless Drill and Light. Both have below mount batteries.

When you charge them up, how long can they stay in the case without running down? Just an average figure is fine.

I'm trying to figure out how often I need to get 'em out and charge them, during periods of non-use.

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I think it would depend on the type of batteries.

    Bookmark   September 28, 2009 at 4:57PM
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once every 6 months is fine, you can even go a year.

    Bookmark   September 28, 2009 at 5:16PM
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It also depends on the maker. For example, I have an older Dewalt 12 v tool with batteries that last much longer than the cheapo Black and Decker 18v. I had no need for more expensive tools because I do not use them often. The B&D batteries run down in about a month. I use the tool one time, let it sit for a while, then it is near dead. I suppose that the higher priced tool batteries would last considerably longer. Suggest trial and error. Just keep a log for a while and test them every 2 months, 3 months, etc.

    Bookmark   September 29, 2009 at 4:59PM
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Sounds like what fruitjarfla is saying is that good batteries hold their charge longer than cheap ones. Agree 100%

    Bookmark   September 29, 2009 at 6:33PM
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