Image 1/2: The Lithium-ion pack comes in at 3.8 V, 6.55 Whr, and 1715 mAh. It's a small but notable decrease from the [https://www.ifixit.com/Teardown/iPhone+6+Teardown/29213#s69246|1810 mAh|new_window=true] battery in last year's iPhone 6.
{}