9 CELL LION BATT LENOVO N200 SERIES The Lenovo N200 (15.4-inch wide) 9-cell Li-Ion Battery is a rechargeable system battery that can replace the original system battery or be swapped in as a spare. This high-capacity battery delivers up to six hours of system run time. The Lenovo N200 Series (15.4-inch wide) 9-cell Li-Ion Battery is supported on Lenovo 3000 N200 15.4-inch widescreen models only.