Quick view Polycom PBP0850 Battery Polycom PBP0850 Battery Voltage: 3.7 Volts Capacity: 2500mAh Chemistry: Li-Ion - Lithium Ion Dimensions: L 2.39" x W 1.50" x H 0.551" Replacement for: Avaya36413645 NortelWLAN61XX PolycomPBP0850 Spectralink602080208030BPL100BPL200BPL300 MSRP: Was: Now: $39.00 Add to Cart Compare