this is my first time doing an instructable so go easy on me
Step 1: Stuff You Need
18650 3.7v 2200mah (from old laptop battery)
1A lithium charging module ($1.39 dx.com)
0.9v - 5v step up boost module ($1.99 dx.com)
slide switch ( from a broken toy)
Mentos chewing gum container
Step 2: Wiring
solder wires into module and battery + to + and - to - dont put it on backwards unless you want your modules to get toasted
Step 3: Stuffing Everything Inside
this is the hardest part for me since the container is too small. but you can figure it out.
Step 4: Done!
dont expect this to full charge your phone. when charging the powerbank red led means charging and green for full