3.7V, 3400mAh, Li-ion Battery fits Bose, 520ii, 525ii, 12.58Wh

Battery Fits Models:- 520ii, 525ii, 535, 535ii, T20, V35

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Battery Part Numbers:- 064454, 626161-0010

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Although a generic version of the battery, the battery we supply is designed and built to be as robust and as good quality as the original OEM battery.  The products we supply are exceptionally well designed; they use only the best quality parts and are built with safety as a priority. They are designed to be as durable as the original version of this product. Choosing the correct battery can be an absolute nightmare and very difficult for those of you less technically inclined. We recommend that you remove the old battery before ordering if possible. This is the best thing to do. Quite a few manufacturers have 2 or 3 different batteries fitted in one model. We can usually confirm fitment from the battery model number for you.  Choosing the correct battery can be an absolute nightmare and very difficult for those of you less technically inclined. We recommend that you remove the old battery before ordering if possible. This is the best thing to do. Quite a few manufacturers have 2 or 3 different batteries fitted in one model. We can usually confirm fitment from the battery model number for you.  Our replacement batteries are designed to replace the models that we list in our tables below.  A 12 Months warranty is usually standard on our Cameronsino products. It will be stated in the information box if it is different. We use top-quality cells in our products, but all cells have a cycle life. You can expect that a Lithium-Ion or a lithium Polymer cell will last for around four hundred cycles; Nimh can be cycled for about 500 cycles. It's always best to charge your battery only when it gets low. Continual charging will reduce the overall life expectancy of your battery. If you are looking for a High-quality replacement battery with ISO 9001 certifications in place, then look no further. This battery is designed to be as robust and safe as the original OEM battery. Cameron Sino manufactures batteries for many OEM companies. The only difference that you will find is the label that is installed.  All of the known fitments for this product can be seen in the table below. Special Remarks:- Panasonic Cells.There are so many different models of batteries available today for so many other products. It's easy to make a mistake. It may be worth confirming with us if you are unsure which battery to order. We try to keep our records updated to the best of our ability, but manufacturers can change fitment without notice.Do not be alarmed if the Mah (Milliamp Hour) is greater or less than the original. This figure stated is an estimation of the battery's capacity to store charge and will not affect the original equipment or charging.