13.7 kWh module capacity, 819 V maximum, 45.6 kg and 1C discharge. The manufacturer reports 300 Wh/kg and 1,000 cycles at 100% depth of discharge; energy-density measurement boundary and cycle conditions require verification.
magniX reports Samson300 powered the first flight of the eFlyer 2 prototype on 25 September 2026. This is flight-test evidence, not a production approval.
A regulator-issued approval for this exact product and configuration has not been verified.
magniX Samson300 specifications, checked 28 October 2026. magniX first-flight announcement, 25 September 2026.