Replacement Battery for Polycom Spectralink8400 Spectralink8450 Spectralink8452 SpectralinkRS657 3.7V/4000mAh

About this item Compatible models:Spectralink8400,Spectralink8450,Spectralink8452,SpectralinkRS657 Specification:Voltage:3.7V,Capacity:4000mAh/14.4Wh,Size:65.20×44.28×15.95mm,Weight:47.8 High capacity circulation function, perfect replace your original batteries. Quality Certification：Premium Grade A cells for longer battery life with no memory effect. After-sales Service：12 month Warranty and 14 day Money Back Guarantee. › See more product details Product information Collapse All Expand All Additional details Battery Cell Type Lithium Ion Features & Specs Battery Capacity 1800 Milliamp Hours Reusability Rechargeable Voltage 3.7 Volts Warranty & Support Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here. Product Warranty: For warranty information about this product, please click here Feedback Would you like to tell us about a lower price? Item details Model Name Polycom ASIN B09J3FFTBR Brand CS BATTERY Manufacturer CS BATTERY Measurements Item Dimensions 2.57 x 1.74 x 0.63 inches Unit Count 1 Count