“18650 Things To Do With An Old Laptop Battery”
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.