smavco Bundle W-6 Extended Battery for Netgear AirCard 781S 4G LTE, AT&T Unite Pro 4G LTE Mobile Hotspot Plus Short Flat Micro USB Cable - 2400 mAh Capacity: 2400 mAh/8.88Wh Dimension: 77.30 x 55.00 x 9.60mm Compatible part nos: 5200080, W-6 Compatible models: Netgear AirCard 781S 4G LTE, AT&T Unite Pro 4G LTE mobile hotspot