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: 3600mAh Physical size: 58.85 x53.00 x 9.95mm Compatible Models: Verizon Novatel Wireless Jetpack MiFi 6620L MiFi 6620L MiFi6620L Compatible Original Battery part no.: 40115131.01, GB-S10-985354-0100