Japan is investigating a possible defect in Apple Inc.’s iPod after one of the popular digital music players reportedly shot out sparks while recharging, a government official said Wednesday.

An official at the trade and economy ministry, which oversees product problems, said a defect is suspected in the lithium-ion battery in the iPod Nano, model number MA099J/A. He spoke on customary condition of anonymity, saying he is reiterating a ministry position.

The problem surfaced in January in Kanagawa Prefecture southwest of Tokyo, and Apple reported the problem to the ministry in March. No one was injured, the official said. Other details weren’t available.

Apple Japan did not contest the ministry statement but declined further comment. Nano players are sold all by the world, and it was still unclear where else besides Japan the suspected model was sold, said Masayoshi Suzuki, an Apple spokesman in Tokyo.

The ministry has instructed Apple Japan to find out the cause of what it is

categorizing as a fire and report back to the government.

The iPod was assembled in China, but it was unclear who made the lithium-ion battery, the ministry official said.

Lithium-ion batteries have been blamed for a series of blazes in laptops recently that have resulted in massive global recalls.

The ministry said Apple has shipped about 425,000 iPods of the same suspected model were shipped into Japan. It was unknown how many have been sold and how many might still be in stores.

Shipments of the model began in September 2005 and were discontinued after September 2006, the ministry said.

The iPod has been the symbol in recent years of the successful fashionable image of Apple. But its sales momentum may be gradually running out of steam.

Apple sold 22.1 million iPods during the holiday quarter ended Dec. 31, fewer than the 25 million iPods analysts had expected it to…

Orginal post by Top Tech News