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It starts with a simple, yet revolutionary concept: a watch that never needs a battery. Eco-Drive technology harnesses the power of light – from any natural or artificial light source – and converts it into energy which is stored in an Eco-Drive Energy Cell. It recharges continuously in any kind of light to run forever. The main selling feature of these watches is the solar construction.
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Sunlight and any artificial light are absorbed through the crystal and dial. CITIZEN uses special filters which allow a wide range of dial colors and styles.
A solar cell beneath the dial converts any form of light into electrical energy to power the watch. With regular exposure to light, ECO-Drive continuously recharges itself.
ECO-Drive's revolutionary lithium-ion rechargeable battery stores enough energy to power the watch up to sixteen months (depending on model) |
What Is Eco-Drive? |
Citizen Eco-Drive watches use the simplest, yet most technically advanced power generating and storage system in the Watch Manufacturing Industry. A Solar Cell and a rechargeable battery are the power provider for these Quartz Watches. Eco-Drive's ability to use light from any source to generate electrical power means that the supply is limitless and free. The absence of any added complex power generating machinery that would require additional upkeep is another big advantage.
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What Is A Solar Cell? |
The Eco-Drive watch uses a microns thin disc of amorphus Silicon under the dial to convert light energy into electrical energy through the photovoltaic process. The electrical energy is then stored in a rechargeable battery. The charging is done in a more efficient manner than was ever before thought possible. Because of this newly developed technology, it is now practical to use a wide variety of attractive dials.
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What Kind Of Battery Is Used In Eco-Drive? |
The Lithium Ion battery. It is of such quality that the normal charge/discharge cycle affects it to such a small degree that it doesn't need to be replaced like an ordinary silver oxide battery. With normal care and exposure to light, the owner can be assured of a lifetime of reliable and trouble free time-keeping. As an added benefit to the environment, it contains none of the caustic chemicals used in ordinary batteries.
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How Long Will My Battery Last? |
The battery will last for a lifetime of use. The factory engineers project that even after twenty years, the battery will still have eighty percent of its ability to be recharged. |
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