LOPURS 3.85V / 4200mAh Rechargeable Li-Polymer Gold Business Battery for Samsung Galaxy Note Edge / N9150 / N915K / N915L / N915S Brand new and high quality Li-Polymer battery for Samsung Galaxy Note Edge / N9150 / N915K / N915L / N915S Best replacement for the original battery with comparable standby and talk time Use the authorized charger only Capacity : 1840mAh 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