High Quality, high capacity, light weight rechargeable battery. No memory effect. Can be charged or discharged as needed without loss of capacity. Overcharge protection, with built-in battery life microchip. CE Certified. Capacity: 240mAh Compatible Part no.: 65358-01, 64399-01, 64327-01, PLN-6439901, ED-PLN-6439901, 6535801, CPP-512Q Compatible Models: Avaya Tenovis HSG-Link DECT 2