We are a leading integrated drone battery solution provider covering cells, BMS, and PACK.
Shenzhen Defond Technology Co., Ltd. is a high-tech enterprise specializing in new energy battery solutions for drones. Founded in 2016 and headquartered in Shenzhen, the company focuses on providing integrated solutions covering customized battery cells, self-developed chip-level BMS, and PACK manufacturing.
With a strong R&D team and full-chain development capabilities, Defond delivers tailored battery solutions for a wide range of drone applications, from consumer-grade to industrial-level systems. Its products are designed for high energy density, long cycle life, and stable performance under extreme conditions.
The company operates advanced production facilities and follows strict quality standards, certified by ISO9001 and ISO14001. Its solutions are widely used in agriculture, power inspection, and emergency response sectors, serving clients across more than 30 countries and regions.
Driven by innovation and a commitment to sustainability, Defond continues to advance intelligent and efficient energy solutions, aiming to become a global leader in drone power systems.
Mission
Fill the gap in full-chain independent R&D and promote safer, smarter drone energy systems
Vision
To become a global leader in AI-driven drone energy solutions
Values
Technology-driven innovation, customer-oriented service
Lithium lamp tower laboratory of the headquarters
According to the core strategic direction, strengthen the technological innovation ability, and achieve major technological innovation, Jiangsu Sunpower Competitiveness Lab
The total investment is 122 million, with Tsinghua University, Chinese Academy of Sciences, MLT, etc
Establish a technical cooperation relationship
Technicians: 16 doctors, 86 technical researchers
Jiangsu Sunpower Competitiveness Lab
Industrialization and the application of advanced technology
Continuous improvement of product technology to meet customer needs
Ensure the continuous competitiveness of market products
Total investment: 90 million
Technicians: 3 doctors, 30 technicians, researchers
North America New Energy R&D Center QUBE
International advanced lithium battery technology tracking, research, and industrialization promotion of international new battery technology
Technicians: 10 doctors, 38 technical researchers
Why cooperate with us
30+ Countries Served
Proven global experience across agriculture, power inspection, and emergency response industries
Full-Chain Solution (Cell + BMS + PACK)
100% in-house integration for better performance, compatibility, and faster delivery
High Energy Density & Long Cycle Life
Optimized for demanding drone applications with stable output under extreme conditions
ISO-Certified Quality System
Compliant with ISO9001 & ISO14001, ensuring reliable and consistent production
Fast Custom Development
Flexible R&D support for both consumer and industrial drone projects
Reliable & Scalable Production
Advanced manufacturing capabilities to support both small batches and mass production
Cooperative Partner
Certified Quality & Trusted Standards
Backed by ISO9001 and ISO14001 certifications, our manufacturing and management systems ensure consistent quality, reliability, and environmental responsibility.
Our Factory Scene
Advanced Test Equipment
Automatic Production Line
Leaving a Message
Submit your requirements and files to receive a fast, free quote. We offer 24/7 after-sales support and optional NDA protection for complete confidentiality. Our team will respond promptly to ensure a smooth and efficient process.
- Administrator: holly.cheng@sunpowernewenergy.com
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Owen Wu:+86-18818788885 (Wechat/Whatsapp)
owen.wu@defondtech.com -
Joe Zhou: +86-13825217651 (Wechat)
sales@defondtech.com - Shenzhen office: Shentengyao Building, Hexiu West Road, Fuyong Fuhai Street, Bao'an District, Shenzhen City, Guangdong Province, 518100, China
- Factory 1: No. 8 Xingyuan Road, Huangqiao Industrial Park, Taixing City, Jiangsu Province, China
- Factory 2: No. 36, Xinping Avenue, Yongxing Town, High-tech Zone, Mianyang City, Sichuan Province, China