Bring a dead electric screwdriver back to life in seconds by adding quick-charging super capacitors.
By Dave ProchnowPosted 02.08.2008 at 5:53 pm 3 Comments
Its the do-It-yourselfers version of Murphys Law: Every time you need to sink some tough screws, the battery in your cordless screwdriver is dead. So you do the only thing you can: plug the screwdriver into an outlet and endure the several hours it takes to recharge. But why wait all day?