Water-Activated Emergency Flashlight (Magnesium-Air Battery Powered)
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Water-activated flashlight shell designed for magnesium-air battery modules.
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- Printables
- Kategoria
- Engineering
- Licencja
- Creative Commons — Attribution
This is a water-activated flashlight shell designed for magnesium-air battery modules. Add saltwater to power the internal metal-air cell — no charging, no regular batteries needed.
The 3D model is intended for demonstration, prototyping, and educational purposes. Ideal for use in emergency kits, camping gear, and off-grid lighting systems.
📦 Model Details:
Designed to fit a magnesium-air battery cell
Diameter: 50mm (head), 39mm (tail)
Length: 187mm
Reflector-friendly front cavity
Compatible with LED driver and CREE LED modules
Twist-lock rear cap design
🌊 How It Works
Add saltwater (3.5–25% concentration) into the internal electrolyte chamber. The magnesium plate reacts to generate electricity and lights the LED — usable for up to 30 hours per activation.
🛠 Recommended Use
Emergency preparedness
Educational kits for energy and chemistry
Off-grid or low-tech lighting experiments
⚠ Note
This STL file includes only the outer flashlight shell – internal components (LED, wiring, battery plates) are not included. For demonstration use or DIY builds. Not a certified consumer product.
🔗 Want the real thing?
We produce a commercial-grade magnesium battery flashlight with replaceable cells.
🌐 Visit: www.wehometool.com