smavco bundle W-5 Extended Battery for Sprint AirCard 770S, AirCard 771S NETGEAR Zing, FreedomPop Netgear Zing, AT&T Unite (AC770S), UNITE-344B Mobile WiFi Hotspot Plus Micro USB Cable, 2500mAh Capacity: 2500mAh/9.25wh Dimension: 77.20 x 54.00 x 6.20mm Compatible part nos: 2500031, 2500060, W-5 Compatible Models: Sprint AirCard 770S, AirCard 771S NETGEAR Zing, AT&T Unite (AC770S), UNITE-344B M