Semi-Solid State Battery Cell 74D4W7
Premium High-Nickel/Silicon- Carbon semi-solid state pouch battery cell (3.7V, 49Ah) engineered for custom high-rate UAV, eVTOL, and advanced robotics battery pack assembly. Features 295Wh/kg gravimetric energy density, ultralow internal resistance (≤1.5mΩ), and robust continuous discharge.
Specifications
| Model | 74D4W7 |
|---|---|
| Material System | High-Nickel/Silicon- Carbon |
| Rated Voltage | 3.7 |
| Nominal Capacity | 49 |
| Cell Internal Resistance | ≤1.5 |
| Gravimetric Energy Density | 295 |
| Volumetric Energy Density | ≈620 |
| Thickness | 7.5 max |
| Width | 134 max |
| Length | 287 max |
| Tab Width | (+/-)40 |
| Tab Pitch | 70.0±1.5 |
| Applications | Agricultural Plant Protection, Drone Cleaning, Firefighting, Inspection, Lifting & Handling, Mapping & Surveying |
| Tab Material | Aluminum / Nickel- plated Copper |
| Cell Weight | 614 |
| Maximum Continuous Discharge | 3C |
| Maximum Instantaneous Discharge | 5C |
| Cycle Life | 0.5C/2.0@400@70% |
| Operating Temperature | Charge: 0~45℃ / Discharge: -20~60℃ |
Product Overview
The AervoPower 74D4W7 is a high-reliability semi-solid state pouch battery cell developed specifically for battery pack assemblers, aerospace system integrators, eVTOL developers, and industrial robotics manufacturers. Engineered on a next-generation High-Nickel/Silicon- Carbon material system, this cell delivers an optimal synergy of high gravimetric energy density, robust rate capability, and superior thermal safety compared to conventional liquid-electrolyte pouch cells.
Energy Density & Laminated Pouch Architecture
With an impressive gravimetric energy density of 295 Wh/kg and a volumetric density of ≈620 Wh/L, the 74D4W7 cell delivers maximum electrical capacity within an ultra-thin form factor of 7.5 max x 134 max x 287 max mm weighing just 614g. The precision laminated pouch packaging ensures exceptional heat dissipation across the entire cell surface while preventing localized current crowding during high-amp operation.
High-Rate Discharge & Ultralow Internal Resistance
Featuring an ultralow internal resistance of ≤1.5 mΩ, this cell drastically minimizes I²R Joule heating during deep high-rate discharges. It reliably sustains 3C continuous discharge and instantaneous pulse output up to 5C, guaranteeing steady voltage plateaus and maximum usable power delivery under dynamic flight loads.
Thermal Operating Envelope & Extended Longevity
The semi-solid hybrid electrolyte provides superior thermal stability across an expansive operating envelope of Charge: 0~45℃ / Discharge: -20~60℃, preventing cold-weather voltage sag and hot-weather thermal expansion. Tested to sustain 0.5C/2.0@400@70%, the cell demonstrates remarkable capacity retention and low swelling rates throughout its operating lifecycle.
Pack Integration & B2B Volume Supply
Equipped with industrial Aluminum / Nickel- plated Copper electrode tabs ((+/-)40mm width), the cell is fully compatible with ultrasonic wire bonding, laser welding, and high-precision spot welding. AervoPower provides volume B2B supply with strict cell binning and sorting (capacity, voltage, and AC IR matched to within ±1% tolerances). We offer full compliance documentation including UN38.3, MSDS, CE, and RoHS reports to streamline airfreight and global market certifications.
Recommended Applications
Agricultural Plant Protection
Tailored for agricultural crop dusting and spreading UAVs carrying 20L to 50L payloads. Engineered for high continuous discharge rates and rapid turnaround cycles in harsh, dust- and moisture-heavy farm environments.
Drone Cleaning
Engineered for facade cleaning, solar panel wash rigs, and industrial washing UAVs. Features IP67 water sealing and high burst capability to counter high-pressure spray nozzle reaction forces.
Firefighting
Built for high-temperature emergency rescue, thermal recon, and extinguishing bomb deployment. Delivers superior thermal stability, zero flame propagation, and rugged structural integrity in extreme hazard zones.
Inspection
Ideal for long-range power grid inspection, pipeline patrols, and forestry monitoring. Low internal resistance and anti-electromagnetic interference casing ensure stable telemetry near high-voltage lines.
Lifting & Handling
Specially designed for heavy-lift cargo transport, logistics delivery, and emergency supply drops. High-voltage architecture (12S–18S) provides massive sustained thrust and reliable power reserves.
Mapping & Surveying
Optimized for aerial surveying, photogrammetry, and LiDAR terrain scanning. Maximizes Wh/kg energy density to unlock 60 to 90+ minutes of continuous airborne flight without premature thermal throttling.
