Importance

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Abstract

This invention is a method and device for monitoring and storing data regarding the “life history” of a battery with which it is associated and interpreting the data to create an accurate record of use and abuse patterns. A manufacturer's specified life expectancy, measured in battery cycles, is established for the battery under normal use, and then the actual use of the battery is monitored and stored. Complete cycles, partial cycles, and operation of the battery outside of acceptable specifications are automatically derived into a value in units equivalent to a number of battery cycles, and this derivation is compared with the manufacturers life expectancy, and adjustments to the manufacturers life expectancy are made so that a more accurate and up-to-date estimation of battery life can be evolved over the life of the battery. The monitoring device is mounted on the battery for the lifetime of the battery, with certain information regarding the battery being displayed to all persons having access to the battery. Additional information may be made available to an authorized person or entity. This enables a lessor of the battery, for example, to identify abuse of the battery by a lessee and adjust fees, lease terms, etc. accordingly.

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First Claim