Enthusiast rebuilds AA-battery-powered PC, sextuples run time to 30 minutes with 64 batteries — uses three voltage regulators in parallel to achieve stability, runs computer for over 30 minutes
by editors@tomshardware.com (Jowi Morales) from Latest from Tom's Hardware on (#747YW)
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.