Battery Fits Models:- 2015211, Note 2 Standard Battery Part Numbers:- Bm48 Our products will work for the device that it is designed for and the quality is such that it is built to last as long as the original battery. You can be absolutely sure that this particular battery will fit your device by checking the information shown in the tables below. Different chemistries of batteries have different cycle lives, Li-Ion usually lasts for around 400 to 500 cycles, Lithium Polymer is the same. Nimh batteries will usually last for around 500 cycles. A cycle is a full discharge and recharge of the battery. Being an ISO 9001 certified factory means that the range of batteries that Cameron Sino build have to be manufactured with only the highest quality components and to a very high level of integrity. You can be sure that the batteries that supply from them are fully tested in the devices they are designed for and are built with all the same safety protocols as the original battery with the same safety circuits contained within. Most of the devices that this product is known to replace can be seen in our information displayed here. With over twenty thousand different batteries its difficult to keep our records as up to date.