- Saint Louis, Missouri, United States
- Jan 29th
safety features to mechanical mods when using unprotected batteries. The power will automatically cut off after 30 seconds of continued use (fire button pressed) This safety fuse can be use for any kind of dry battery, like 18650, 18350, 18500, etc. This safety fuse can protect the battery from short circuiting, avoid explosions, prevents overheating of the battery