Customer states the thermometer was found exploded in the bathroom closet where the unit was sitting unattended.No one was hurt.Arc requested the customer to return the product.A lab analysis for this type of failure was performed on similar device.The analysis of the batteries included an optical microscopy, ct scan and 2d x-ray and indicated the failure was due to a single component (battery) malfunction.Report, attached.The suspect batteries have not been used in production since 17 july 2015.
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