Maglite Classic (incandescent) C cell and D cell Flashlights AND MagLED Flashlights-

For models with serial numbers starting with 2, 3, 4, 5, 6 , DL2, DL3 or D2, D3, D4, D5, D6 or C2, C3, C3, C4, C5, C6, and C7