Hey guys! I’m pretty young (15) and whenever I would get a new device for my bday or something, my parents always said that you needed to charge the device for 24 hours before you use it, and that you should always charge it up to 100% and use it until it hits 0% otherwise the battery won’t hold as much charge as possible. This kind of sucked because I of course wanted to play whatever it was right away instead of waiting until the next day, and I recently found out that you don’t have to do this on newer batteries but on older ones you do, which is how this “common sense” advice originated. However why did old batteries need to be charged for 24 hours before use, and used from 100% to 0% as it doesn’t seem like that should impact how much charge the battery can hold. Please ELI5.
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Batteries are tough. They all look the same on the outside, but the inside chemistries can be wildly different. The end result is two outwardly identical cells that should be treated in vastly different ways! It’s important to know what’s inside if one wishes to get the most out of their batteries and maybe even more important, to know which one to buy for your particular application!
One of the reasons to charge older style chemistries for long periods of time is because you want to make sure that you get them use to taking the most possible charge. If you don’t then you can reduce their capacity right out of the box. One of the reasons to long charge modern cells once and a while is to make sure groups of cells remain balanced.
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