Water powered Calculator
Lake Renewable Energy
Price (excluding P&P)
£6.99
(from Lake Renewable Energy website)
Description
An environmentally friendly calculator requires No Batteries , No Electricity , Just add tap water into the revolutionary H2O battery and the calculator will start to work.
The H2O calculator water battery will require topping up typically once a month when the display begins to fade , Battery life expectancy approx 2 Years.
About Lake Renewable Energy
Lake Renewable Energy is a UK based supplier of Micro Renewable, Energy Saving Eco Products. The Aim of our company is to continuously contribute to reducing Global warming by being a major provider of renewable energy products to the public and business within the EU
