Lopurs Back Door Cover & High Capacity 8000mAh Business Replacement Mobile Phone Battery for Samsung Galaxy Note 4 / N9100(Black) High quality back housing cover and rechargeable lithium-ion battery replacement for Samsung Galaxy Note 4 / N9100 Replace your broken or unworkable part with a new one Best replacement for the original battery with comparable standby and talk time Each item has been checked and in good condition before shipping If you do not use the battery for a long time, please put it in a dry and cool place and make it full charged once every three months