California-headquartered lithium-ion battery manufacturer Amprius has signed purchase orders for its SiMaxx cells from Airbus subsidiary AALTO, a Finland-headquartered producer of fixed-wing, high-altitude platform stations (HAPS). Amprius says its 450 Wh/kg SiMaxx cells are designed to operate in extreme flight conditions while maximizing flight range and payload capacity. The batteries are capable of supplying enough… Read more…