Choosing the optimal cell can contribute to the success or failure of a product in the field, and it requires extensive knowledge of the performance profile of cells under consideration. The first step in ensuring a proper battery choice is to fully describe the "real world usage profile" of the device. Then, a choice can be made among the leading cell chemistries - Nickel-Metal Hydride (NiMH), Lithium Ion (Li-Ion), and Lithium Polymer (Li-polymer). With good reason, many industrial applications, such as medical devices, are migrating from NiMH to Li-Ion battery systems.
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