VINTRONS Rechargeable Battery 550mAh For iPOD EC008-2, iPod Classic 6th GEN MB029J/A 80GB, 616-0230, 616-0227 Capacity: 450mAh / 1.67Wh Type: Li-Polymer Volts: 3.7V Size : 46.18 x 19.08 x 5.40mm