Rocket Lab releases lighter space solar cell for satellite power

The company announced production release of its IMM Apex inverted metamorphic cell, which it says is 40 percent lighter than legacy triple-junction space solar products.

Luisa Marconi

Senior Space Correspondent

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Rocket Lab Corporation announced the production release of its IMM Apex inverted metamorphic space solar cell, a product for spacecraft power systems.^[3] The company stated the cell is 40% lighter than legacy triple-junction space solar products, improving spacecraft power-to-weight ratio.^[4]