Ruiandsion P13.5S LED Flashlight Bulb 18V 19.2V 24V 7-24 Volt P13.5S Base LED Bulbs Replacement for Flashlight Torch Lantern Work Lights,Non-Polarity (Pack of 2) - Amazon.com
Tektite: High-Power LED Conversion Lamp LPR-113, LED Bulbs, Flashlight Replacement & Conversion, LPR-113