42T4653 New Lenovo ThinkPad R61 7742 7743 7744 7751 7753 7754 7755 Battery 57Wh Battery 44WH Dell shipped some of the

Dell shipped some of the above systems with different battery types

DAD13CYB8C0

Number of Cells: 3Capacity: 24WhVoltage: 11

020-6313-C

Compatible Part #'s: XCMRD

42T4653 New Lenovo ThinkPad R61 7742 7743 7744 7751 7753 7754 7755 Battery 57Wh Battery 44WH Dell shipped some of theNew Genuine Lenovo Battery. Features and Technical Specifications: Number of Cells: 6Capacity: 57WhVoltage: 10. 8VColour: Black Compatible Part #'s: 41U3196, 41U3197, 41U3198, 42T4547, 42T4652, 42T4653, 42T5225, 42T5226, 42T5227, 42T5229, 42T5262, 42T5263, 42T5264, 42T5265, 42T4548, 42T5262, 42T5264 Genuine and compatible batteries have a 1 year warranty against defects from the day your order is received.