1 8

MASON POWER 320Wh/kg Semi Solid State Battery Pack 22.2V 20C 12000mAh – Built for High Power UAV & eVTOL

MASON POWER 320Wh/kg Semi Solid State Battery Pack 22.2V 20C 12000mAh – Built for High Power UAV & eVTOL

266.4Wh Total Energy: 22.2V × 12000mAh delivers substantial usable energy for extended mission endurance.

20C Continuous Discharge (240A): Extreme high-rate output for demanding takeoff, climb, and high-thrust applications.

900g Lightweight Pack: System-level energy density of approximately 296Wh/kg, with cell-level density up to 320Wh/kg.

Semi-Solid-State Safety: Advanced semi-solid electrolyte reduces thermal runaway risk compared to conventional liquid-electrolyte packs.

6S High-Voltage Configuration: 22.2V nominal voltage improves system efficiency and reduces current draw for equivalent power.

Production-Ready & Certified: 100% pack testing, and full traceability.

Key Features

  • Advanced Semi-Solid Electrolyte Processing: Our proprietary semi-solid electrolyte formulation balances ionic conductivity with mechanical stability, enabling high-rate discharge while maintaining the safety advantages of solid-state technology.
  • High-Precision Stacking & Assembly: Automated stacking lines with sub-millimeter alignment accuracy ensure uniform electrode spacing and consistent current distribution – critical for achieving stable 20C continuous discharge.
  • Low-Resistance Tab Welding: Ultrasonic welding with optimized parameters minimizes contact resistance between tabs and terminals, reducing heat generation under 240A continuous load.
  • 100% Pack Testing: Every battery pack undergoes full charge-discharge cycling, capacity verification, and high-rate load testing before shipment, ensuring reliable performance in the field.

Tech Specs

Type: Semi Solid State Battery Pack
Configuration: 6S
Nominal Voltage: 22.2 V
Capacity: 12000 mAh (12 Ah)
Total Energy: 266.4 Wh
Discharge: 20C (240A)
Energy Density: Up to 320 Wh/kg
Dimensions（mm）: 52 × 870 × 130
Weight: 900 g

Applications

  • High-Power UAVs: Heavy-lift and high-speed drones requiring 20C continuous discharge for aggressive flight maneuvers.
  • eVTOL & Urban Air Mobility: Weight-efficient, high-rate energy storage for next-generation electric vertical takeoff and landing platforms.
  • Military & Tactical Systems: Reliable, safe power for ISR drones and field-deployable high-power equipment.
  • Industrial Robotics & Automation: High-current battery packs for demanding robotic systems and automated guided vehicles.
  • Professional Power Tools & Equipment: Cordless high-power tools requiring sustained 240A output.
  • Advanced Energy Storage R&D: An ideal platform for testing semi-solid-state technology in high-rate applications.
View full details

Why Choose Us?

  •  Cell & Pack Design 

    We can design the cell chemistry and pack layout to meet specific size, weight, and power requirements.

  •  Connector & Wiring 

    Choose from a variety of connectors including XT60, XT90, AS150U, QS8, and custom wiring harnesses.

  •  Labeling & Branding 

    We offer private labeling services to match your brand identity.

  •  Small Batch Prototyping 

    Fast turnaround on samples for testing and validation before mass production.

  •  Strict Quality Control 

    100% testing on voltage, internal resistance, and capacity before shipment.

  •  Professional Packaging 

    Shockproof packaging ensures safe delivery.

Frequently Asked Questions

What is the minimum order quantity (MOQ) for battery packs?

Sample orders: 1-10 pcs for evaluation and testing. Bulk orders: MOQ starts from 100 pcs for standard models, negotiable for custom configurations.

What is your monthly production capacity?

Cylindrical battery packs: 1,000,000 units/month. Soft pack and solid state battery packs: 500,000 units/month.

How do you control quality?

100% cell sorting, capacity grading, and internal resistance matching
100% voltage and IR testing before assembly
100% functional testing after assembly (charge/discharge cycle, protection test)
Every pack undergoes rigorous testing before shipment
Full traceability with unique QR code per pack

Do you offer samples?

Yes. Sample orders are welcome for testing and validation. Samples can be shipped from our overseas warehouses for faster delivery.

How do I get a quote?

Please send your requirements including voltage, capacity, discharge rate, dimensions, connector type, and quantity. We will reply within 1 hours with a detailed quotation.