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post-batteryu.jpgA reader sent us a link to Battery University this week — a site sponsored by Cadex Electronics, a manufacturer of battery analyzers and chargers.  (Thanks, Kevin!) 

It includes all sorts of information about the capabilities and limitations of different battery types as well as lots of advice on how to store and maintain your batteries.

Information on the site is provided in the form of white papers and articles, all of which are offered free of charge for non-commercial use.  We particularly like the way the site breaks down the needs of each major battery application and explains how each battery type applies.

It’s worth a look, especially if you’re in the market for a new cordless tool — or even more so if you’re planning on buying into a new cordless system.

Main Site [BatteryUniversity.com]


4 Responses to Battery University

  1. Andy says:

    So, I did some reading on Lion, and, as expected, Lion has the greatest power /weight ratio among rechargable batteries. It lacks a memory effect, in esscence, a great battery.

    There are of course some drawbacks… (remember, in esscence a battery is a bomb, it stores energy in a small space , then releases it – in some cases quickly). Chiefly, the biggest apperent drawback is its cost, seconded by its safety – it is lithium. Remember the exploding dell laptops? That was the Lion charger failing and overcharging the Lion causing a fire. Also, since it is lithium, it is tougher to ship and may not meet new “green” standareds (rohs and whatever Japan and/or China rolls out). As touched on before (this is a design issue) Lion is much tougher to charge. If not charged correctly, well yea, fire explosion etc.

    It seems there is something I am forgetting…. It’ll come to me


  2. wvpv says:

    Very timely and informative post — espcially with the Dell battery recall announced yesterday.

    I always wondered if refrigerating batteries was a good idea or an old wives tale. Now I know!

  3. Jason says:

    The storage tips were thorough, but it seems like too much messing around to store a battery at 40% charge. If my charger supported it, that would be one thing, but otherwise it’s too much hassle to figure out how much charge is in the battery.

    Besides, when I reach for a battery from the battery bin, I usually want one that’s ready to go, not 40% ready to go.

  4. Will says:

    Site no longer exists – December 1, 2010.

    There are other sites of similar nature, however.

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