Lumencraft LED Conversion Kit Compatible/Replacement for Maglite Flashlights, 325 Lumen, High Power SST40 + Scratch Resistant Glass Lens. Fits 2-6 D and C Cell Focusable (325 Lumen + Glass Lens) - Amazon.com
MAGLITE LED Upgrade Module, 3 watt, C and D 3 Cell SH33DCW6 - All Spectrum Electronics