400Wh/kg Solid State Battery | 3.7V 22000mAh High Energy Density Semi-Solid State Cell

Product Introduction

The 400Wh/kg solid state battery is an ultra-high energy density semi-solid state pouch cell designed for applications requiring maximum runtime in minimal weight and space. This 3.7V 22000mAh semi-solid state battery delivers an industry-leading 400Wh/kg energy density, making it one of the most advanced power solutions available for high-performance systems.

With a nominal voltage of 3.7V and a massive 22000mAh capacity, this high energy density battery provides 81.4Wh of energy in a compact form factor measuring just 177×76×7.6mm and weighing only 210g. Its 10C continuous discharge capability ensures it can deliver high current bursts, making it suitable for demanding applications like drones, UAVs, robotics, and portable electronics.

As a next-generation semi-solid state battery, this cell combines the benefits of solid-state technology with proven pouch cell design, offering enhanced safety, longer cycle life, and improved thermal stability compared to traditional lithium-ion batteries. The ultra-thin profile (only 7.6mm) and lightweight construction make it ideal for integration into slim devices, long-endurance drones, and high-performance robotics where every gram counts.

Whether you’re designing a long-range UAV, building a high-performance robotics system, or developing a next-generation portable electronic device, this 400Wh/kg solid state battery provides the power, energy density, and reliability you need. Its exceptional specifications make it the go-to choice for applications that demand the absolute highest performance from their power source.

400Wh/kg Solid State Battery Key Features

• Ultra-high 400Wh/kg energy density semi-solid state battery cell
• High capacity 3.7V 22000mAh pouch cell for extended runtime
• 10C continuous discharge rate for high-power applications
• Ultra-compact form factor: 177×76×7.6mm, only 210g weight
• Semi-solid state technology for enhanced safety and thermal stability
• Low-profile design ideal for slim devices and space-constrained applications
• Exceptional energy-to-weight ratio for maximum performance in light packages
• Reliable pouch cell construction suitable for custom battery pack assembly
• Perfect for drones, UAVs, robotics, and high-end portable electronics

Technical Specifications

Company Introduction:

Shenzhen Defnoco Technology Co.,Ltd. is specialized in manufacturing high power rechargeable batteries which is use for drone, bicycle&scooter, jump starter, electric tools, home application, power storage, etc.

Own battery cell manufacturer has more than 14 years of history, based in Loudi,Hunan with annual turnover of RMB 2 billion. Having a team of well experienced technicians & engineers taking in charging of the core products’ researching & designing. Shenzhen Defnoco Technology Co.,Ltd. win the great praise from the professional clients in our focus area. With the advantages of excellent safety profile, reliability,High discharge platform, long cycle time, we get the full trust and support from our customers.

Quick Overview

• 400Wh/kg solid state battery with industry-leading energy density
• 3.7V 22000mAh semi-solid state pouch cell for high capacity needs
• 10C discharge rate supports high-power and high-drain applications
• Ultra-compact size: 177×76×7.6mm, ultra-lightweight at only 210g
• Semi-solid state technology offers enhanced safety and thermal stability
• 81.4Wh total energy for extended runtime in light packages
• Low-profile design ideal for slim devices and space-constrained builds
• Perfect for drones, UAVs, robotics, and high-performance electronics
• Advanced power solution for next-generation portable and unmanned systems

Application Areas

This high-performance 400Wh/kg solid state battery is widely used in advanced technology applications where maximum energy density and reliability are critical:

• Long-endurance drones and UAVs requiring extended flight time
• High-performance robotics and autonomous systems
• Portable medical devices requiring lightweight, long-lasting power
• Advanced consumer electronics and slim form-factor devices
• Aerospace and defense applications with strict weight and volume constraints
• Electric vehicles and e-mobility solutions seeking high energy density
• Wearable technology and IoT devices requiring compact, high-capacity power
• Custom battery packs for specialized industrial and research applications

FAQ:

1. who are we?
We are based in Guangdong, China, start from 2023,sell to North America(60.00%),Northern Europe(20.00%),Western Europe(20.00%).
Totally about 51-100 employees in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?

FPV drone battery, lipo battery, Solid state battery, bicycle&scooter battery, jump starter.

4. why should you buy from us not from other suppliers?
3 factories; Own R&D team; 10 Yeas experience in the Industry; More to know.

5. what services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW,Express Delivery；
Accepted Payment Type: T/T,Credit Card,PayPal,Western Union;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,French