Number of simultaneously connected devices (max): 2 Black Laptop/netbook, Tablet Charging source: AC Lithium-Ion (Li-Ion) 18000 mAh 65 Wh The DellNotebook Power Bank Plus lets you bring extra power with you, so you can be more productive. Design Compatible products Inspiron 13" (7347), Inspiron 14" 7000 (7437), Inspiron 17" 7000 (7548), Inspiron 5558, Inspiron 5758, Inspiron 7348, Latitude 3450, Latitude 3550, Latitude 12" 7204, Latitude 14" 7404, Latitude 3150, Latitude 3160, Latitude 7350, Latitude E5250, Latitude E5404, Latitude E5450, Latitude E5550, Latitude E7250, Venue 10 pro 5055, Venue 11" Pro 5130, Venue 11" Pro 7140, Venue 8" 3840, Venue 8" 7840, Venue 8" Pro 3845, Venue 8" Pro 5830, Vostro 3558, XPS 13" 9343 Charger compatibility Laptop/netbook, Tablet Product colour Black Number of simultaneously connected devices (max) 2 Performance Battery capacity 65 Wh Battery technology Lithium-Ion (Li-Ion) Charging source AC Ports & interfaces USB ports quantity 2 Input interface U