We get a ton of questions regarding batteries, so we scoured the world, did a little digging, and researched the topic. Now you'll have some real answers on battery recharging cycles, whether you'll need to unplug your device once it's fully charged or not, if you need to condition your battery to avoid the memory effect, and even some information on who and when current rechargeable batteries came into existence. Please add to the discussion if you have any REAL information - leave the old wives' tales on Kim Komando's channel. Thanks.
Lithium batteries were proposed by M. S. Whittingham while working for Exxon in the 1970s. However, Whittingham’s rechargeable lithium battery was extremely expensive and smelly. In 1983, Michael Thackeray, John Goodenough, and coworkers further developed a lower-cost alternative that worked better and didn’t smell. Two years later, Akira Yoshino improved the design, enabling industrial-scale production. In 1989, Goodenough and the University of Texas at Austin figured out how to make the design even better and more powerful, and that lead to the rechargeable lithium ion batteries we use today. There is no “memory effect” as there was with older rechargeables, and battery calibration software is unnecessary nonsense.
The lithium ion battery does have a few weaknesses. First, they hate extreme cold, or extreme heat. Fortunately, they work really well in temperatures that work for humans. So keep them out of the freezer and away from a hot car, and you’ll be golden. Secondly, all batteries die eventually. First, they’ll lose their capacity to hold a full charge, so you’ll notice them dying faster and requiring more plugging in. Then, they’ll refuse to charge at all. Most lithium-ion batteries have a rated lifetime of somewhere between 300 and 1,000 charge cycles. Drops and falls can damage the internal components, causing dangerous leaks, so be careful. Finally, lithium ion batteries are expensive and often not easy or nearly impossible to replace. Apple devices especially do not want you to open their devices, using gobs of Chinese glue and freakishly weird screws to make it as difficult as possible.