The handset was received and inspected where it was determined that 2 small holes (approximately 1/2 inch in diameter) had been burned through the bottom of the handset.Our records indicate that the handset and device were assembled in (b)(6) 2012 and are about 2 years old.Expected end of life for the handset is 300 charge/discharge cycles as per the user manual.Upon further inspection, it was determined that the battery experienced a thermal runaway which led to a battery failure in the device.This failure burned the small holes (approximately 1/2 inch in diameter) in the bottom of the handset.There was no damage to the surroundings and there were no pt injuries reported.This completes our investigation.
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