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Shenzhen QuawinTEC Technology Co., Ltd. – A trusted leader since 2006 in R&D, manufacturing, and supply of battery chargers, Li-ion/LiFePO4 battery packs, PCM/BMS, and power supplies. OEM/ODM services available.
Explore ProductsShenzhen QuawinTEC Technology Co., Ltd. (formerly Shenzhen Keying Hengye Technology Co., Ltd.) is a professional battery and charger supplier established in 2006. We specialize in the research, development, manufacturing, and marketing of high-performance battery chargers, Li-ion and LiFePO4 battery packs, PCM/BMS systems, and power supplies.
Our products serve diverse industries across North America, South America, Europe, and Asia. With a strong focus on quality assurance, innovation, and customer satisfaction, we deliver reliable energy solutions tailored to your needs.
6V to 48V series | 15W to 3600W | Plastic & Aluminum Housing
15W to 3600W | Multiple Voltage Options | High Efficiency
15W to 3600W | Stable Output | Long Cycle Life
15W to 150W | Smart Charging IC | Overcharge Protection
1S to 32S Support | Overvoltage/Overcurrent Protection | Customizable
Custom Configurations | High Energy Density | Safe Design
High Thermal Stability | Long Lifespan | Ideal for Industrial Use
Reliable Output | Wide Input Range | CE & RoHS Certified
Multi-region Compatibility | Compact Design | Universal Use
OEM/ODM Support | Tailored Designs | Full Engineering Support
From chargers to battery packs and BMS, we offer integrated solutions under one roof, reducing complexity and lead times.
Comprehensive QC system from raw materials to finished products ensures 100% reliability and compliance with international standards.
Efficient supply chain and production planning ensure on-time delivery, even for large-volume orders.
Strong R&D team enables full customization of products, branding, and packaging to meet your unique requirements.
Founded
Years Experience
Countries Served
Certified
We offer Lead Acid, Li-ion/Li-Polymer, LiFePO4, and NiMH/NiCd battery chargers ranging from 15W to 3600W, with various voltage and housing options.
Yes, we provide full OEM/ODM services for Li-ion, LiFePO4, and NiMH battery packs with custom configurations, voltages, capacities, and enclosures.
Yes, our products comply with CE, RoHS, and other international standards. We can also support additional certifications upon request.
MOQ varies by product type and customization level. Please contact us for specific details based on your requirements.
Visit our official website to submit an inquiry or request product samples directly through the contact section.
Interested in our battery chargers, battery packs, or BMS solutions? Reach out to our team for inquiries, quotes, or technical support.
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