UBatteries Laptop Battery IBM T61p (15.4in Widescreen) Machine Type 6460 - 9 Cell, 6600mAh UBatteries Li-Ion Replacement Laptop Battery; Grade A Cell Type: 9 Cell Lithium-Ion | Voltage: 10.8V | Capacity: 6600mAh | Rating: 71Whr CE ROHS Certified One Year Warranty, 30 Days Return