3.7V, 1200mAh, Li-ion Battery fits Polycom, Spectralink 8400, Spectralink 8440, 4.44Wh

Battery Fits Models:- Spectralink 8400, Spectralink 8440, Spectralink 8450, Spectralink 8452, Spectralink Rs657

---

Battery Part Numbers:- 1520-37214-001

---

The battery shown on this page is manufactured using the highest quality parts. Cameron Sino batteries have manufactured generic batteries for many years. We offer the freshest batteries straight from the manufacturers; they are reliable and built with safety as an essential part of their construction. If in doubt - check us out! We will select the correct battery for you and guarantee that fitment. A simple phone call or email, or live chat can save you time and money on your selection.  If in doubt - check us out! We will select the correct battery for you and guarantee that fitment. A simple phone call or email, or live chat can save you time and money on your selection.  Check out the details below and ensure that your model and battery number are shown in the tables below. Cameron Sino products are usually covered by a 12-month warranty unless otherwise stated.  Just send the product back to us, and a replacement will be sent to you free of charge. Lithium-Ion and Lithium-polymer cells usually last for between 400 and 500 cycles; Nimh cells can be charged for around 500 cycles, cycle life will vary according to several different factors. There is no set life cycle of any of these cells. Factors that influence their lives include temperature, humidity, and charges.  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 cells rating can be seen in the table above. Actual capacity and voltage may vary slightly from the original due to cell availability. All of the known fitments for this product can be seen in the table below. Special Remarks:- None at this timeThe manufacturers supply all information regarding fitment as a final check; it's worth comparing your original battery with the one shown. We keep our records as up-to-date as possible, but new fitments come on stream every week due to the launch of new products.If the battery's capacity is different from that of your original, this does not mean that ours does not match; it just means that our replacement battery will store slightly less or slightly more charge than the original.