Wednesday 12 October 2016

battery operated - Why do batteries in consumer electronics get used unevenly?


When changing the batteries of kids toys, remote controls, etc., I test the batteries and have noticed that they drain differently. One will be dead and the other is still in the green.


Why does this happen? Also, at this extreme, why not just have a single battery?


They are typically AA and can be the ones with the product or rechargeables.



Also, why does the device stop and not start using the good battery?




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