Popular Mechanics (South Africa) - - Shop Notes -

Modern smart­phone bat­ter­ies last long­est if they’re kept be­tween about 50 and 70 per cent charged. As they get closer to their ca­pac­ity, the elec­tri­cal ef­fort re­quired to con­tinue charg­ing in­creases, and the risk of re­ac­tions that de­grade the bat­tery grows when it’s full. In other words, charg­ing close to 100 per cent means treat­ing the bat­tery like an over­stuffed suit­case. It’ll hold that huge amount, sure. But it’s tough on the zip­pers and fab­ric. If you want your bat­tery to last, charge it in­ter­mit­tently.

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