[ Is there anyway that a charger could be used backwards as an inverter? hook the drill directly to the charger bypassing the battery?[/QUOTE]
Not sure about that, you will need to add a diode(I think - check valve) so the electrity only flow away from the drill, use it to charge a 12v computer battery backup(or just a marine battery and invertor), use that to power your TV or what ever. Just need to peddle fast enough to get 14 or so volts to charge the battery. if 10-18 speed bike is used, friction drive the drill chuck off rear wheel and monitor voltage output to find the best gear.
I'm guessing the charger must have some diodes in them otherwise I would think they would drain the batteries once unplugged.
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