Thanks for sharing your concern. We would suggest you to visit nearby Samsung service center in order to know the battery replacement cost of your device. Please find service center details in the link provided -http://www.samsung.com/in/support/servicelocation
Be sure to hit ♡ when you find an answer that works for you. For further assistance, you can get in touch with us via Live Chat option by following- http://livechat.support.samsung.com/Customer_new/IN. You can also connect us via Samsung Members web community by following mentioned url-https://community.samsungmembers.com/en_IN#/
