If the new iPhone is going to do more than all iPhones before it, including LTE 4G networking and a bigger 4-inch, 16:9 screen, and not run out of juice faster, it's going to need a more powerful battery. And a more powerful battery is just what the latest round of parts leaks purport to show off. 9to5Mac's Mark Gurman and Sonny Dickson presented the pictures, and peg the details at 1430 mAh, 3.8v, and 5.45 wHr.
If this battery turns out to be what Apple's going with in the iPhone 5, it would make it 10 mAh, 0.1v, and 0.1 wHr higher than the current iPhone 4S battery.
When Apple switched from the 3G iPad 2 to the LTE iPad (3), they managed to keep the same battery rating, though not without making the new iPad 0.6mm thicker, and chocking the frame full of as many battery molecules as possible. The iPhone 5 might get a better, less power-hungry LTE chipset in Qualcomm's 28nm MDM9615, however.
With the new iPad, the battery also had to support a monstrous, demanding new Retina display. The iPhone made the jump to Retina back in 2010 with the iPhone 4, but if rumors of that 4-inch, 16:9 screen prove be true, Apple will also need to light up 1136x640 pixels, up from 960x640 in the previous two models. That's only an 18.33% increase, nowhere near as big a jump as the new iPad's 2048x1536 upgrade from 1024x736, and newer, more power-efficient panel technologies may help, but every bit of additional battery drain will add up.
Speaking of which, if Apple gives the iPhone 5 a variation on the new iPad's Apple A5X system-on-a-chip, which includes a quad-core graphics processor, the battery will have to account for that as well. It's possible an iPhone A5X would have better power efficiency than than the iPad A5X, but like it won't require less power than last year's Apple A5 in the iPhone 4S.
A taller iPhone, even if slightly thinner, with other components shrunk down as much as possible, could ultimately provide for a bigger and slightly more advanced battery, and do it in such a way that Apple can provide LTE 4G networking and a bigger Retina display, and still maintain battery life.
We'll likely only know for sure on September 12, just over a month away. In the meantime, hit the link below for all the details on this latest part leak...
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