The second-fastest way to charge your iPhone is with Apple's MagSafe charger and a 20-watt power adapter, but for this to ...

Try these iPhone ... your battery when it dips below 80% maximum capacity. Keep in mind that it's not just the maximum battery life that might suffer if you don't swap out for a new battery ...

batteries uncovers a new enemy -- too much discharge. Without getting too deep into the chemistry and physics of battery wear, the study discusses a newly identified mechanism of oxygen loss in ...