Apple Computer is recalling more than one million laptop computer batteries due to the risk they could burst into flames, the United States Consumer Product Safety Commission said on Thursday.

The recall centered on lithium-ion batteries made by Japan-based Sony and sold with some iBook G4 and PowerBook G4 computers, according to the commission.

The Apple battery recall came on the heels of Dell Computer recalling as a fire hazard some 4.1 million laptop batteries with Sony-made cells.