The impact of high pulse drain on CR2032 coin-cell battery capacity
Coin-cell batteries are often used to power portable devices, including wireless ones, but there is little available information into how they perform in high-rate, pulsed applications, in contrast to relatively steady-state load situations.
This article shows how the high-peak, short-duration pulsed loads–which typical of, but not exclusive to, ultralow-power wireless applications–affect Energizer CR2032 coin-cell batteries. It also examines how your design and operation affects the battery life time you can expect in your application. [Note: the CR2032 type is one of the most commonly used coin cells in the very large, sometimes bewildering universe of such cells.]
To read this article by two experts on these batteries and low-power wireless applications, which is presented as a pdf document, click here.
About the authors
Kjartan Furset is Strategic Applications Manager at Nordic Semiconductor; Peter Hoffman is a Staff Technology Engineer at Energizer.
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