Detailed Product Description Notebook battery for Acer TravelMate 5220 TM-2007 detailed description: Color: BlackType: Li-ionVoltage: 11.1VCapacity: 4400/ ... and TravelMate 5220, 5310, 5320, 5520, 5710, 5720, 7220, 7520 series Part No.: BT.00603.029, BT.00604.015, BT.00605 ...