[Fit Model]Avaya AWH55, AWH-55, AWH65, AWH-65, Tenovis HSG-Link DECT 2Plantronics 64327-01, 64399-01, 65358-01, 71036-11, 90225-01, AWH-55, AWH-65, C351N, C65, CA12CD, CA12CD PTT, CS351, CS351N, CS351V, CS361, CS361N, CS50, CS50USB, CS50-USB, CS510, CS510A, CS520, CS520A, CS55, CS55H, CS60, CS65, HL10, Lifter HL10, PL-64399-01, Savi 410, Savi 420, Savi 710, Savi 720, Savi Office WH300, Savi Office WH350, Savi W410, Savi W420, Savi W710, Savi W720, SC60, Supra Plus Wireless Headsets C, Supra Plus Wireless Headsets C, Supra Plus Wireless Headsets C, W710, W720, WO300, WO350[Part Number]Avaya 64327-01, 64399-01, 64399-03, 653580, 65358-01, ED-PLN-6439901, PLN-6439901,Plantronics 202599-03, 64327-01, 64399-01, 64399-03, 653580, 65358-01, ED-PLN-6439901, PLN-6439901

240mAh Battery - CS-CPB9055 / Li-Polymer / Volts: 3.7