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H2O Water Calculator

Finally you can stop using disposable batteries! Just fill in the tap on the back of the tank and the calculator runs like clockwork. The alloy in the water tank releases energy in combination with the water, which is sufficient enough to supply the calculator with energy. The life of the water battery is about 2-3 years, depending on the use of the calculator.
8,95 €
incl. 19% VAT , plus shipping costs (DPD / Warenpost EU)
Manufacturers recommended retail price: 8,95 €
  • Available immediately
  • Delivery time: 2 - 3 Workdays (Other countries)
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