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: 140mAh Compatible Models: Jabra BT2020, BT250V, BT4010 Dimension: 31.83 x 11.03 x 4.00mm Compatible Original Battery Part nos: 70868-01, 73366-01, PA-PL002