Gear Flashlight Batteries: Replacing CR123s With 16340s By Jay Lagare on Friday, April 21, 2023 I see if it’s possible to replace CR123 (3.2V) lithium batteries with 16340 lithium-ion batteries (4.2V) on a SureFire G2 Nitrolon with an LED module. Do not try this on a halogen module! 16340 battery cr123 edc flashlights g2 nitrolon gear surefire upgrade Previous Post Next Post Related Posts Gear NexTool Mini Flagship F12 Gear How To Open a Can with Your Multi-Tool Gear NexTool Mini Sailor S11 Pro vs SOG PowerPint