seen as more limited because its 787 needs more power to support a greater array of electrical systems - originally one of its futuristic selling points.
Its rival's decision leaves it as the only large commercial jetmaker relying on lithium-ion for main batteries. However, Boeing said it remained upbeat about its well-tested design.
"Boeing is confident in the safety and reliability of lithium-ion batteries," a spokesman said by email. "There's nothing we've learned in the investigations that would lead us to a different decision regarding lithium-ion batteries."