Check your bat­tery’s health

Mac|Life - - FEATURE -

As men­tioned ear­lier, Lithium-ion bat­ter­ies de­grade over time — or some­times, ear­lier than they should. If you’re see­ing re­ally low bat­tery life, check the phys­i­cal health of your bat­tery, so you know whether age has caught up with it, or — if it’s fairly new — whether you need to take a trip to the Ge­nius Bar. On your iOS de­vice, in Set­tings > Bat­tery, a mes­sage should show at the top of the page say­ing that your bat­tery needs to be ser­viced, if that’s the case.

This is too vague for us. If you feel the same, try Co­conutBat­tery — a free Mac app (co­ that tells you the max­i­mum charge your bat­tery can cur­rently hold, and how that com­pares to when it was new, in­di­cat­ing any de­te­ri­o­ra­tion. If you con­nect an iOS de­vice over USB, it can show the same info for that. It also shows how many charge cy­cles the bat­tery has been though. Click the + sign to store data, and use the His­tory tab to com­pare over time.

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