Thanks for being with Samsung and sharing your concern. We would like to inform you that the standard charging procedure for your device is to charge a fully discharge battery in Switch-off mode up to 150 minutes. We would also recommend to use Samsung approved charger with the device. 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#/
