If you are one of those who like to game on their phones a lot or just require a phone with a battery life which can go beyond a day, this is the right place to be. There are plenty of devices in the market which offer good battery life, ranging from as low as Rs. 7,000 to Rs. 50,000. Now, that is a very large price segment to choose from but we have narrowed it down for you. This is our list of the best smartphone with 4000mAh battery. Most of these phones in this list feature more than a 4000mAh battery.