It replaces OEM part MT700D02C099 and fits the CEPTF
Stock up and save with a 10-pack of 6V 4
Built for durability and dependable service life
so a short first charge will give inaccurate battery level readings on screen
High-performance battery performance optimized for emergency lighting loads
SpectraLink 8400 Replacement Battery 3.7V 1200mAh Li-ion Warranty:Warranty 1 Year It replaces OEM part MT700D02C099SpectraLink 8400 Series 3. 7V Li ion Replacement Battery (1520 37214 001) This 3. 7V 1200mAh Li ion battery replaces OEM part 1520 37214 001 in the SpectraLink 8400, 8450, 8452, and RS657 wireless handsets. These are enterprise DECT phones used in healthcare, retail, and warehouse environments where handset uptime matters. Drop the battery in, seat the handset in the base, and the charge cycle starts immediately. 8400, 8450, 8452, RS657 compatibility: