Tulip Tech battery powers DeltaQuad Evo through eight-hour, 500 km flight
A DeltaQuad Evo using Tulip Tech’s 450 Wh/kg lithium-metal battery completed an 8-hour, 1-minute flight over 500 kilometres in rain and 22-knot crosswinds.

Evidence notes
- The all-electric DeltaQuad Evo completed the test with battery reserve remaining.
- The aircraft flew for 8 hours and 1 minute over 500 kilometres in rain and 22-knot crosswinds.
- Further tests are planned across payload classes, weather extremes and communications systems.
Company context
Tulip Tech designs and manufactures high-energy battery packs and power electronics for unmanned aircraft, ground vehicles and underwater systems. Founded in 2020, it produced and delivered more than 100,000 packs in April 2026. Its UAV integrations have delivered 30% to 100% longer flight time.