SemiSolid State UAV Battery 6S 31000mAh 400Whkg China Suppliers Factory

Looking for high-performance UAV power? Our China factory provides semi-solid state batteries with 400Whkg energy density for 60% longer flight times. As leading suppliers, we offer 6S 31000mAh 21V solutions for heavy-lift drones with enhanced safety and 600 cycle life.

SupplierBeijing KNS New Energy Technology Co.,Ltd.www.knsbattery.com

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About this product

Product information from the supplier.

The KNS 400Wh/kg Semi-Solid State Battery is a breakthrough in energy storage for professional UAV operations. Engineered specifically for heavy-lift and long-endurance missions, this 6S 31000mAh power solution leverages advanced semi-solid electrolyte technology to deliver an ultra-high energy density of 400Wh/kg. This allows drone operators to extend flight times by up to 60% compared to traditional LiPo batteries without increasing the overall payload weight.

Designed for maximum reliability in industrial environments, the KNS semi-solid state battery provides a stable 21V output and superior thermal stability. Whether it is for critical search and rescue operations, large-scale agricultural mapping, or complex infrastructure inspections, this battery ensures your UAV maintains peak performance across diverse temperatures and demanding flight profiles, significantly reducing the frequency of battery swaps and maximizing mission efficiency.

Detailed Parameters

Model	KNS-400-31AH6S	Voltage	21V (6S)
Capacity	31000mAh	Energy Density	400Wh/kg
Total Energy	651Wh	Weight	1860g
Discharge Rate	Continuous 3C-5C / Max 10C	Charge Rate	0.5-1C
Cycle Life	600 Cycles	Working Temp	Discharge: -10℃～55℃ / Charge: 0℃～45℃

Key Advantages

Advanced Safety

Semi-solid state electrolyte significantly reduces the risk of thermal runaway compared to liquid LiPo batteries.

60% Longer Flight

Ultra-high energy density allows for drastically extended endurance without increasing drone takeoff weight.

Extended Life Cycle

Engineered for durability, maintaining reliable performance over 600 charge and discharge cycles.

Stable 21V Output

Provides consistent power delivery for professional heavy-lift multirotors and industrial UAVs.

Heavy-Lift Ready

Perfect for cargo delivery, high-rise cleaning, and construction inspection requiring high capacity.

Global Compliance

Fully compliant with UN38.3 standards for safe and legal air and sea transportation worldwide.

Product Gallery

Management Platforms

Scaled Production

3,000m² facility with 5 advanced lines producing 5,000+ units daily for rapid supply.

Technical Expertise

Backed by 3 professors and 20+ research engineers for cutting-edge battery chemistry.

Quality Assurance

ISO9001:2015 certified processes ensuring every cell meets A-grade industrial standards.

Customization

Professional engineering support to tailor battery specs for specific UAV airframes.

Secure Logistics

Shock-absorbing foam and anti-static packing compliant with international hazard laws.

Testing Protocol

Rigorous raw material inspection and finished product testing for absolute consistency.

Investment Return Comparison

Feature	Standard LiPo Battery	KNS Semi-Solid State
Flight Time	Baseline Duration	Up to 60% Increase
Energy Density	Approx. 200-250Wh/kg	400Wh/kg
Safety Level	Moderate (Liquid Risk)	High (Thermal Stability)
Cycle Life	200-300 Cycles	600 Cycles
Mission Efficiency	Frequent Battery Swaps	Extended Mission Window

Frequently Asked Questions

Q: What is the main advantage of semi-solid state batteries over LiPo?

The primary advantage is the significantly higher energy density (400Wh/kg), which allows for much longer flight times without increasing weight, and enhanced safety due to the reduced risk of thermal runaway.

Q: Can these batteries be used in extreme weather conditions?

Yes, the KNS semi-solid state battery is designed for industrial use with a discharge working temperature range from -10℃ to 55℃, ensuring stability in diverse environments.

Q: How many charge cycles can I expect before capacity drops?

Our semi-solid state batteries are rated for 600 cycles, which is substantially higher than conventional drone batteries, offering a better long-term return on investment.

Q: Are KNS batteries safe for international shipping?

Absolutely. All our batteries are fully compliant with UN38.3 regulations and are packed with anti-static and shock-absorbing materials for safe air and sea freight.

Q: What types of UAVs are best suited for this 31000mAh battery?

It is ideal for heavy-lift multirotors used in cargo delivery, industrial inspection drones (pipelines, power lines), and VTOL aircraft requiring high energy density for takeoff and cruise.

Q: Does KNS offer customization for different capacities or voltages?

Yes, with a team of 20+ research engineers and a large-scale manufacturing facility, we can customize energy density, voltage, and capacity to meet your specific drone requirements.