Here is a complete list of 4000mah Battery Mobiles Between Rs. 15,000 to Rs. 20,000 available for sale in India. About, 16 devices with best prices are updated as of 20th September 2020. GizBot helps you identify the best one that suits your style, budget and requirement. Choose from a wide range of 4000mAh Battery Phones Under Rs. 20,000 along with key specifications, unique features and images. The most affordable one in this category is Samsung Galaxy A50 selling at Rs. 15,499 and the highest priced is Rs. 19,994 for OPPO Reno2 F. Tecno Camon 15 Pro, OPPO F15 and Huawei Y9s are the latest mobiles in this category.