Amprius Technologies (AMPX) 27th Annual Needham Growth Conference summary

Company background and technology

• Founded in 2008, developed silicon nanowire battery technology spun out of Stanford.

• Commercial orders began in 2018, with Airbus as the first customer.

• Specializes in high-energy, high-power silicon anode lithium-ion batteries, with proprietary 100% silicon anode technology.

• Achieves up to 500 Wh/kg and 1,300 Wh/L, with rapid charging and wide temperature operation.

• Products validated by third parties and used by the U.S. military.

Product portfolio and performance

• SiMax is the flagship 100% silicon anode product, introduced in 2018, focused on aviation and high-altitude applications.

• SiCore, launched in 2024, uses proprietary silicon powder and can be manufactured on existing graphite lines.

• SiCore offers up to 1,000 cycles and 370 Wh/kg, with new high-power variants sampled to multiple customers.

• Product catalog includes 14 SKUs, with detailed specs and test results provided to customers.

• Demonstrated significant improvements in mission time for drones, wearables, and modeled EV range.

Market traction and customer base

• Focused on aviation, drones, and light electric vehicles, with 94 customers shipped to in Q3 and 175 in 2024 YTD.

• SiCore's compatibility with existing manufacturing lines enables rapid scaling and broad customer sampling.

• Secured over $20 million in contracts for light electric vehicles, with strong interest in e-bikes and scooters.

• Strategic relationships with Airbus, Teledyne FLIR, AeroVironment, and BAE Systems.

• Multiple development programs with the U.S. Army and agreements with the U.S. Advanced Battery Consortium.