iPhone 6S - Wikipedia
The iPhone 6S and iPhone 6S Plus are smartphones designed, developed and marketed by ... Battery, 6S: 3.82 V 6.55 W·h (1715 mA·h) Li-Po 150 min charge time for an average of 8 h 15 min use. 6S Plus: 3.8 V .... The iPhone 6S and 6S Plus were originally offered in models with 16, 64, and 128 GB of internal storage .