3. iPhone 6s Plus: 15 hours

The first flagship to appear on this list of best battery phones is iPhone 6s Plus. This phone sports a 2750mAh battery but lasted for 15 hours in the test! Other iPhone 6s Plus specs are also impressive. This 5.5-inch device packs a 1.84GHz dual-core processor, sitting on Apple A9 chipset and 2GB of RAM. The phone also houses a great combo of 12MP/5MP snappers, which are ranked one of the most powerful cameras in 2016. The memory of this phone comes in 3 variants: 16GB, 64GB, 128GB. iPhone 6s Plus price is around $750.

ADVERTISEMENT