H2O Water Powered Calculator

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£7.99

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Quick Overview

This water powered calculator is a nifty little gadget that saves against needless battery wastage. Great for kids or the office!

Water powered calculator

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Product Description

Every year, billions of conventional dry cell batteries are used and discarded, resulting in environmental pollution and costly disposal or recycling costs. Add a little drop of water to the special battery inside, and this eco-friendly water-powered calculator does all basic calculations! The H2O water battery has a continual life of at least 2 years, and unlike normal batteries can be left out to dry and then stored indefinitely. For use in all light conditions, it’s handy for the home and office. Plus, it’s great for children to learn basic maths and how to be eco-friendly too! All components of the battery are recyclable. Replacement batteries are available from the manufacturer. The product measures 10cm x 17cm x 2.5cm and weighs 110g.