Battery Fits Models:- Bf-tdsy, Mdr-ds3000, Mdr-ds4000, Mdr-if140, Mdr-if140k, Mdr-if240r, Mdr-if240r?k, Mdr-if240rk, Mdr-if3000, Mdr-if540r, Mdr-if540rk, Mdr-rf800r, Mdr-rf800rk, Mdr-rf820, Mdr-rf820r, Mdr-rf820r?k, Mdr-rf850r, Mdr-rf850r?k, Mdr-rf885r, Mdr-rf885rk, Mdr-rf920rk, Mdr-rf925rk, Mdr-rf960r, Mdr-rf960rk
Battery Part Numbers:- 1-756-316-21, 1-756-316-22, Bp-hp550, Bp-hp550-2
Our battery should have the same dimensions and fitment as the original battery. The fit and finish are checked before dispatch. Our battery should have the same dimensions and fitment as the original battery. The fit and finish are checked before dispatch. Contact us if there is any doubt as to the fitment of the battery for your device, and we can select the correct battery for you. If we make the selection, you can be assured that if there are any fitment the exchange or return falls to us and we will cover any costs involved. Contact us if there is any doubt as to the fitment of the battery for your device, and we can select the correct battery for you. If we make the selection, you can be assured that if there are any fitment the exchange or return falls to us and we will cover any costs involved. By checking the tables below, you can confirm that this battery will fit your device. 12 Months warranty is usually standard on all Cameron Sino products. If there is any difference in this policy, it will be stated on this page. Any misuse of the battery or modifications will invalidate the warranty. 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. All the batteries we supply by Cameron Sino are designed to be as long-lasting as the original OEM battery. Our ISO 9001-certified battery uses high-quality components, and each cell’s rating can be seen in the table above. Actual capacity and voltage may vary slightly from the original due to cell availability. Look at the products table below and find the model this battery will replace. Special Remarks:- There are three critical pieces of data that you will need to confirm the fitment of this battery in your device. You will need the model of your device, The battery number - found on the original battery, and the manufacturer. This is the only way to be 100% sure this is the correct battery. Mah is the figure which estimates the amount of charge that a battery will hold. The higher the Mah the more extended the runtime.