Battery Fits Models:- Beolit 15, Beolit 17, Beoplay A2, Beoplay A2 Active Battery Part Numbers:- J406/icr18650nh-2s The battery shown will replace your original and provide you with an economical alternative to expensive OEM batteries. The replacement battery listed here is developed using the highest quality components. If your model and battery numbers are listed in the product description, you can be sure you are ordering the correct battery. If your model and battery numbers are listed in the product description, you can be sure you are ordering the correct battery. Please compare the data below with the models in the tables. Different chemistries of batteries have other cycle lives, Li-Ion usually lasts for around 400 to 500 cycles, and Lithium Polymer is the same. Nimh batteries will usually last for about 500 cycles. A cycle is a full discharge and recharge of the battery. Our ISO 9001-certified battery uses high-quality components, and each cell’s rating can be seen in the table above. The devices this battery is known to fit can be seen in our listing below. Some models have more than one battery type available, and the only way you can confirm the correct battery is to remove the original. If the battery’s capacity differs from your original’s, this does not mean ours does not match. It means that our replacement battery will store slightly less or more charge than the original.