| Polycom KIRK 4020/4040 Extended Battery (RB-4040-N) |
 Polycom KIRK 4020/4040 Extended Battery (RB-4040-N) New: Quantity KIRK 4020/4040 Extended Battery Features Spare or replacement battery Extended capacity NiMH, 3.6v, 730 mAh (3 to 6 hours longer than standard 600 mAh battery) High quality replacement battery - 100% compatible with OEM part number 84743411 Compatibility Polycom KIRK 4020 and 4040 wireless handsets Price: 27.00 |