Amprius Technologies, Inc. engages in the manufacture and distribution of batteries. The company is headquartered in Fremont, California and currently employs 99 full-time employees. The company went IPO on 2022-03-02. The firm's commercially available SiMaxx batteries deliver up to 450 Wh/kg and 1,150 Wh/L, with third party validation of 500Wh/kg and 1,300 Wh/L. Its batteries are primarily used for existing and emerging aviation applications, including unmanned aerial systems, such as drones and high-altitude pseudo satellites. The company offers high performance silicon anode batteries under the product platforms, such as SiMaxx and SiCore. Its SiMaxx high energy battery cells are designed to maximize specific energy for applications with low power requirements. The company designed its SiMaxx balanced energy/power battery cells for applications that require a balance between power and energy. Its SiCore battery cells are based on a silicon anode material system delivering high-energy-density silicon anode batteries. The firm is also developing an electric vehicle (EV)-capable cell.