Homemade Hand Crank Generator (real output) - Charge Batteries, Phone
14:37
V2 DIY Hand Crank BoostBox - Capacitor Power Can Start a V6 Engine
14:15
Building a hand crank phone charger (AKIO TV)
9:41
DiY Simple Electricity Generator||Hand Crank Generator from Hub Motor
22:59
POWERFUL Homemade Crank Generator!
9:14
Making a "Free Energy" Hand Crank Generator
11:41
Finally a good usage for Hoverboards! (charge your powerbank by cranking)
9:34
2145 The GN44 45 Army Issue Hand Cranked Generator How It Worked And A DIY Replication
12:58