HOW TO CRANK CHARGE BATTERIES A cordless drill/screwdriver can easily be used as a hand-crank charger for batteries... even alkalines! See for yourself! Recharging alkaline batteries is done at your own risk
A cordless drill/screwdriver can easily be used as a hand-crank charger for batteries... even alkalines! See for yourself! Recharging alkaline batteries is done at your own risk
cool this really works?