Electronics, DIY, programming and more…
Monthly Archives: December 2011
Having to travel often for work and I suffered some times the nuisance of having the mobile battery almost drain and not being able to find an outlet to charge it. Emergency chargers are widely available but I prefered to build my own.
This is the bill of material I used:
- LED flashlight for AAA or 18650 batteries (0,5€ eBay)
- Solar Boost DC-DC 3V-5V Adjustable Power Supply Module (3€ eBay)
- 8650 battery (3.7V 2600mA) and charger (less than 5€ eBay) Read more of this post