Evidence review status: Company-reported launch specifications; qualification and volume performance remain to be demonstrated.
Energy / capacity: 500 Wh/kg, cell-level specific energy.
Discharge rating: 1C continuous in the launch announcement. Pack integration, format, cycle life and temperature-specific performance are separate.
Source conflicts / limitations: No claim that this cell is installed in a named piloted aircraft. Q4 2026 is an availability target, not a completed delivery milestone.
Manufacturer targets HAPS, fixed-wing drones and other long-endurance applications. Its historical AALTO relationship does not establish installation of this exact new cell.
No regulator-issued approval of this exact cell or aircraft installation established.
Amprius launch, 2 September 2026. Reviewed 28 October 2026.
Reviewed developments appear here when available. Browse news coverage and the certification tracker for further evidence.