Apple's iPhone 17 Air may last longer on a charge that it would with existing tech, thanks to silicon batteries that pack 15% more energy into the same space.iPhone 17 Air render on the rightThe iPhone 17 Air, expected this fall, could be the first Apple smartphone to feature advanced silicon-anode battery technology. Japanese supplier TDK has confirmed that it's accelerating production, with shipments set to begin by the end of June.That timeline may give Apple just enough lead time to include the new batteries in its rumored 5.5mm-thin device, according to DigiTimes. The thin model is widely expected to be announced in September. Rumor Score: 🤔 Possible Continue Reading on AppleInsider | Discuss on our Forums #iphone #air #debut #advanced #silicon