The battery is one of the most important things consumers consider before purchasing a smartphone. Keeping this in mind, smartphone manufacturers are trying hard to offer a good battery experience to consumers not just with flagship devices but also budget smartphones. Several budget smartphones today come with a massive 6000mAh battery that in most scenarios lasts much more than a day. To make it easy for you to decide which is the best Android smartphone to buy under 15,000 with a 6000mAh battery, we have curated a list. Check out the top five best Android smartphones under Rs 15,000 with a massive 6000mAh battery. Check the list.