Spectralink 8400 8450 8452 RS657 1800mAh Cordless Phone Replacement Battery

INFO This is a replacement compatible with a Spectralink Cordless Phone Battery Volts: 3.7V (3.7 Volts) Capacity: 1800mAh (1.8Ah) Type: Li-Polymer Color: Gray Spectralink 8400 8450 8452 RS657 Replacement Batteries. Mfgr Part # 1520-37214-001 Dimensions: 2.57 in. L x 1.74 in. W x 0.63 H in. Weight: 0.2 lb Warranty: 1 Year Disclaimer: Our products are not affiliated with or authorized by Spectralink.FAQs What is the best replacement battery for the Spectralink 8400 8450 8452 RS657 1800mAh Cordless Phone Battery? The CS-SPT845CL.2 is the best replacement battery for the Spectralink 8400 8450 8452 RS657 1800mAh Cordless Phone Battery. What is your return policy and battery warranty? Our batteries are backed by easy 30-day returns and a 12-month warranty. How do I find the best replacement Battery? Our search tool at the top of the website should give you the best results. Search by brand or part number to see if we have the right match for you. What does Li-ion and Ni-MH mean? Th