Calculator Powered by Water

Water gives you the power – YES!

With the this all new water powered calculator now you can say goodbye to those batteries and go green. Completely works like a normal calculator but the power lies in the water, instead of being powered by regular batteries or solar power it uses H2O water. Just by Simply removing the two tubes hidden in the back and filling them up under the tap water. Doing this once will keep the battery alive & working for at least 60 days. Completely Green as you are using water power & its recyclable.