With just a brisk pump of your foot, you will never worry about a dead battery again. With just a few pumps of the "STEPCHARGER" you can instantly charge your Laptop, cell phone, video camera and much more. If it uses a rechargeable battery, the STEPCHARGER" will charge it!!
Four times the power of the "handheld" generator, yet it is still light and compact making it portable and easy to use. Constant voltage circuit which will suppress loss of charge. Will not interfere with infrastructures, so it is safe to use on airplanes, trains and automobiles.
Step Charger Battery Charger 
COMING SOON!