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Entry type: FAQ Entry ID: 10181929, Entry date: 04/21/2008
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Durability and storage life of batteries

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QUESTION:  
What is the storage life of the back-up battery?

ANSWER:
There is no general answer to this question, there are different factors involved, including load characteristics, size and capacity of the battery, manufacturing type, environmental conditions such as temperature and humidity etc. Since the batteries in our programmable controllers are supplied by other manufacturers, you are best advised to consult the Web site of the battery manufacturer concerned for more information.

By way of example we have provided a link to the Web site of Sonnenschein Lithium GmbH, whose batteries are very often used in our programmable controllers:

http://www.lithium-batterie.de/download/DE/LBR.pdf

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https://www.siemens.com/cybersecurity#Ouraspiration.
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