SEMI-SOLID AVIATION SERIES · 400 WH/KG
400 Wh/kg Semi-Solid-State Battery Series
400 Wh/kg gravimetric energy density · Ultra-lightweight semi-solid pouch cell platform.
View SpecificationsINDUSTRY / DRONE & UAV / 350–400 WH/KG AVIATION CELLS
eVTOL & Long-Endurance VTOL UAVs: Compatible Voltage Platforms & Custom Options
Fixed-wing hybrid VTOL UAVs and electric vertical takeoff aircraft experience a bimodal power curve: 3C–5C high-current vertical lift during takeoff and landing transitions, followed by 0.5C–1C aerodynamic wing-borne cruise. Compare our 280–400 Wh/kg semi-solid pouch platforms and 5700mAh 21700 cells.
- Application Scope
- Composite-wing VTOL UAVs, eVTOL air mobility, high-altitude drones
- Voltage Platform
- Custom high-voltage series aviation modules with redundant BMS
- Cell Options
- 350 Wh/kg & 400 Wh/kg Semi-Solid-State Pouch Cells
COMPATIBLE BARE CELLS · 350–400 WH/KG AVIATION CELLS
Compatible Voltage Platforms & Custom Options
SEMI-SOLID UAV SERIES · 350 WH/KG
350 Wh/kg Semi-Solid-State UAV Battery Series
350 Wh/kg gravimetric energy density · High-specific-energy semi-solid pouch platform.
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SEMI-SOLID UAV SERIES · 280 WH/KG
280 Wh/kg Semi-Solid-State UAV Battery Series
280 Wh/kg gravimetric energy density · High-cycle semi-solid pouch architecture.
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POUCH CELL · SEMI-SOLID-STATE SERIES
Semi-Solid-State High-Energy Pouch Cell Series
Nominal voltage 3.6 V–3.8 V · 270–400 Wh/kg gravimetric energy density · Laminated pouch cell architecture.
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CYLINDRICAL CELL · 3.6V 5700MAH LI-ION
EVE 21700 58E 3.6V 5700mAh Cylindrical Cell
Nominal voltage 3.6 V · Nominal capacity 5700 mAh · Cylindrical 21 × 70 mm format · Ultra-high-capacity 21700 cell.
View SpecificationsCUSTOM BATTERY PACK ENGINEERING (350–400 WH/KG AVIATION CELLS)
Need a Custom Custom high-voltage series aviation modules with redundant BMS Pack for eVTOL & Long-Endurance VTOL UAVs?
AntBattery currently supplies matched bare cells (350 Wh/kg & 400 Wh/kg Semi-Solid-State Pouch Cells) and assembles custom Custom high-voltage series aviation modules with redundant BMS series-parallel battery packs for Composite-wing VTOL UAVs, eVTOL air mobility, high-altitude drones with tailored L × W × H enclosures, BMS current ratings, and wire harnesses.
ENGINEERING VERIFICATION
eVTOL & Long-Endurance VTOL UAVs Operating Conditions and Cell / Pack Sizing
Submit Compartment & Load SpecsParent & sibling categories in Drone & UAV: Industrial, Mapping & Delivery UAVs, Agricultural Spraying & Spreading Drones, FPV Racing & Long-Range Drones. Related voltage catalog: 400 Wh/kg Semi-Solid Battery Series.
Vertical Hover Transition Peak vs Wing-Borne Cruise Draw
Size cell discharge capability for the 60–120 second vertical climb and landing hover phase, including worst-case gust recovery at the end of a mission when state of charge is below 20%.
Gravimetric Energy Density (350–400 Wh/kg) Mass Fraction
Hybrid VTOL aircraft carry deadweight lift rotors during forward cruise; utilizing 350–400 Wh/kg semi-solid pouch cells offsets vertical-lift propulsion weight.
Series String Voltage & Redundant Dual-Bus Topology
Long-endurance VTOL fuselages frequently split energy across dual independent series strings (12S–24S+) with isolated BMS contactors for fault tolerance.
Pouch Cell Stack Compression & Altitude Pressure Changes
Laminated semi-solid pouch cells require uniform mechanical foam-pad compression inside carbon or honeycomb battery bays across sea-level to 4,500 m operating altitudes.
TECHNICAL REFERENCE
eVTOL & Long-Endurance VTOL UAVs Battery Engineering FAQs
Why is the landing hover phase the critical sizing bottleneck for fixed-wing VTOL batteries?
At the end of a long-range cruise, the battery is at low state of charge (15%–25%) and higher internal resistance, yet must suddenly deliver 3C–5C power to transition from wing flight to vertical hover.
What cell capacities are available in the 350 Wh/kg and 400 Wh/kg semi-solid pouch series?
Our semi-solid-state pouch platforms span 270 Wh/kg to 400 Wh/kg series options, including high-capacity 50Ah and 72Ah format pouch cells for custom aviation module assembly.
How does ambient temperature at 3,000–5,000 meters altitude affect VTOL battery output?
Sub-zero airstream cooling during long fixed-wing cruise can drop cell temperature below 0°C; insulated fuselage bays or self-heating BMS logic prevent voltage sag during descent hover.
How can aerospace and UAV teams request custom VTOL battery module engineering?
Submit your takeoff/cruise/landing power profile (W vs time), bus voltage range, bay envelope, and cell series preferences via our Custom Battery Pack inquiry form.
CUSTOM ENGINEERING & QUOTATION
eVTOL & Long-Endurance VTOL UAVs Battery Engineering Inquiry
Provide your VTOL takeoff hover wattage, forward cruise wattage, mission duration target, series bus voltage, and fuselage bay dimensions.
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