2-Pack 510mAh Replacement Battery for Plantronics Savi 8210 Series Wireless Headset,fits Part Number 211425-01 3.7V

Product Description
Gikysuiz Rechargeable Battery Pack 211425-01.Wireless Headphones battery life decreased? Having problems when charging? Switch dies at random times? It means time to replace the battery of the Wireless Headphones. Lithium-ion batteries have a limited lifespan. As the increasing number of charging cycles, the capacity of lithium-ion batteries will slowly decline. When the battery life reaches the end, just replace a new one.The battery in your Wireless Headphones is easily replaceable! You can repair Wireless Headphones yourself at home! We have prepared battery and tools for you. Just do it!What you need to know about Li-ion batteriesDo not use hot air or metal rods to remove the Wireless Headphones Li-ion battery, it is very dangerous.The Li-ion battery will enter a sleep state after being left unused for a long time. At this time, the capacity is lower than the normal value, and the use time is shortened. However, the lithium battery is easy to activate. For optimal performance, please calibrate your newly installed battery: Do this by draining your battery below 5%, then charge uninterrupted to 100%, repeat for at least 2-3 times.Please fully charge the battery before use!Fit Model: Plantronics (Poly) Savi 8210 and Savi W8210 Wireless HeadsetPart Number: 211425-01,202555-01Standard:Voltage：3.7VRate：1.89WhType：Li-PolymerCapacity：510mAhNet Weight：9.0g/0.32ozSize：38.00 x 20.50 x 6.00mmNote:Please check the compatible model and the original battery number before purchasing.If you are not sure,please feel free to send email to us with your battery details or pictures, we will give you free professional suggestion.Your satisfaction is very important to us,if you have any questions,Please feel free to send eamil contact us,and we will reply within 24 hours.