The 2018 iPhones may have bigger batteries, but that's not necessarily good news

One of the world's leading iPhone analysts, Ming-Chi Kuo of KGI Securities, predicts the 2018 iPhones will pack bigger batteries. 

But hold on — this doesn't necessarily mean next year's iPhones will have longer battery lives. 

Kuo regularly releases investor notes about whatever he thinks Apple is brewing in R&D, and he's grown famous by often being correct. His most recent note, spotted by 9to5Mac, predicts Apple's forthcoming handsets could have 10 percent more battery capacity than the current generation.

Battery life isn't an easy thing to measure, in part because people use phones in different ways. Using Skype, for example, will drain more energy than someone checking their email. But Mashable Senior Tech Correspondent Ray Wong says iPhones generally have between four and five hours of "on-screen" battery life (as opposed to the phone just sitting around in "standby" mode) before the phone needs to be recharged. Read more...