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: 2200mAh. Dimension: 70.37 x 52.53 x 5.82mm . Compatible Models: Philips Pronto PC9800I/17. Compatible Original Battery Part nos: 310420052281, 40J3659, 447437502222