New Laptop Battery for HP Compaq 311c-1000 311c-1000SO 311c-1005SW 311c-1010EH 311c-1100 HP Pavilion dm1-1000 dm1-1001tu dm1-1002tu dm1-1003tu dm1-1031tu dm1-1090ev[Li-ion 6-cell 4400mAh]