Can you really get a Windows PC running like new again? Using this free tool from Microsoft, you can get pretty close.
Tom's Hardware on MSN
Enthusiast rebuilds AA-battery-powered PC, sextuples run time to 30 minutes with 64 batteries
YouTube creator ScuffedBits re-did their experiment and was able to eke out 30 minutes of game time (and a benchmarking session!) while running their desktop PC on 64 AA batteries.
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