As much as I enjoyed this unusual technical info from GeekDad contributor Roy Wood, I was disappointed to learn that not all 18,650 things you can do with an old laptop battery are specifically listed in the article. Moreover, by a truly amazing coincidence, “18650” turns out to be the part number for the most common size lithium-ion cell used in assembling laptop batteries.
Three 18650s are pictured above, and as you can see, they are slightly larger than AA batteries. Importantly, they are also much, much more dangerous, and Roy goes to great and appropriate lengths to emphasize that opening a laptop battery and extracting the cells for your own projects is very hazardous.
If you are competent to negotiate those hazards, however, and are interested in recovering 18650s from old batteries and putting them to use, Roy’s article is a pretty good starting place. The individual cells are very powerful, and since a single bad cell can kill the entire battery, there is potentially a lot of value to be recovered. [via Boing Boing]
11 thoughts on ““18650 Things To Do With An Old Laptop Battery””
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“a single bad cell can kill”
Pun not intended? As the article says if you misuse/short them they can cause you great pain in a very short amount of time.
It’s amazing how fast you can run with a improperly refurbished battery pack that has blue flames shooting out the side.
By another amazing coincidence, those cells are 18 mm in diameter and 65 mm long!
By another amazing coincidence, those cells are 18 mm in diameter and 65 mm long!
hey this is really impressive. I read the article and i want to give you thanks for this nice post.
In fact,recycling of old laptop battery is a big problem.But there is a potential market value.
http://www.kingwellbattery.com