replaces gateway mx6445 laptop battery (laptop battery - li-ion 14.4v 4800 mah. guaranteed to meet or exceed oem specifications. 1 year warranty warranty:: 12 months chemistry:: li-ion volts:: 14.4 original amp:: 4600 amphours:: 4800 color:: black description:: rectangular shaped eight cell laptop battery with seven slit type contacts on one end. dimensions:: 10.62 x 1.96 x 0.89 weight:: 1.40 lbs.