Unit was returned for evaluation.The battery used with the unit was not provided for testing, so it cannot be determined whether the damage was caused by the battery or battery bridge board.The unit under test had several indicators of burning including melted plastic, charring on the battery bridge board, and a smoke odor.This damage was limited to the battery compartment in the unit.The unit did not undergo functional testing because of the strong smoke odor.All components inside the unit did not show any signs of damage, aside from the battery bridge board and a slight discoloration on the compressor communication connector.
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