Device evaluation of battery charger has been completed.The reported problem (charger power problem) has been confirmed.Upon investigation the battery charger was unable to charge/recognize a battery pack.The cause for the failure was contamination on the battery board pca.The root cause for the contamination was ingress of an unknown liquid.Lifevest patient instructions for use remind and warn patients not to expose the lifevest electronic components to liquids.There was no adverse event that resulted from the damaged charger.
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