Wireless Pro Premium Replacement Rechargeable Battery for Plantronics Cordless Headset Phone CT-14-2.4 Volt Ni-MH 750mAh - Compatible with Plantronics 80639-01 81087-01 PLN-8108701 BATT-CT14-1PK No more interrupted conversations when calls will now last 1.5 to 2 times LONGER than the OEM battery and recharges faster. Talk longer and close more sales! Our replacement battery is the PERFECT FIT for your Plantronics CT 14 DECT 6.0 Wireless Headset System at home or the office! Don't get cut off your next important call! Other replacement batteries aren't made of LONG LASTING Lithium Polymer and don't match up to our IDEAL for: Plantronics 80639-01 81087-01 PLN-8108701 BATT-CT14 fits CT14, CT-14, CT 14 DECT 6.0 Wireless Headset System Avoid trying to constantly recharge your headset or if it's time to get a new battery don't hesitate to click 'ADD TO CART' today! Also remember to get one for your home and another for your office headset system and rest assured of products are back with a 1 YEAR UNCONDITIONAL Replacement Warranty!