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Ideal for testing watch batteries To use on coil cell batteries Designed for analogue wristwatches Perfect for watchmakers and jewellers The Renata battery tester is a tool used to test the functionality and charge of various batteries and small electronic cells. It is the ideal tool for watchmakers or jewellers. It is compatible with 1.5V silver oxide and 3.0V lithium batteries which are the two most common types used in quartz watches. This tester allows you to check the battery live before opening the watch case by simply placing the watch on the centre where marked to hear the pulse of the watch. If you can not hear the pulse, that will indicate that the battery needs changing.
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