Device evaluation of battery pack sn (b)(4) has been completed.The reported problem (non-functional) was confirmed.As received, the battery was non-functional when placed into a monitor and charger.Upon evaluation, the output voltage was 1.28v.The cause of the non-functional battery is the lack of output voltage.The cause of the lack of output voltage is defective cells.The root cause of the defective cells cannot be positively identified.No adverse event resulted from the defective battery pack.
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