21V 16A 336W Desktop Battery Charger with Active PFC for 3S Lithium Li-ion Battery Packs | Guangdong QINX

Guangdong QINX manufactures this 21V 16A battery charger to provide efficient and dependable charging for high-capacity 3-cell Lithium-ion battery systems. The charger utilizes a precision charging algorithm to help improve charging consistency while supporting long-term battery reliability.

Built with Active Power Factor Correction (PFC), the charger delivers enhanced energy utilization and reduced input current distortion. The wide-range 100-240VAC input enables operation in North America, Europe, Asia, Australia, and many other regions without additional power conversion equipment.

Delivering up to 336W of charging power, this model is particularly suitable for applications where battery downtime must be minimized. Customers can customize output cables, DC connectors, branding labels, housing appearance, packaging solutions, and electrical specifications to meet project requirements.

Applications

• Industrial handheld equipment
• Portable energy storage systems
• Electric inspection devices
• Battery-powered cleaning equipment
• Mobile surveillance systems
• Smart agricultural instruments
• Autonomous robotic equipment
• Professional testing and measurement devices

Connector Options

Optional connector types include 5.5×2.1mm DC plug, 5.5×2.5mm DC plug, 6.3×3.0mm DC plug, 4-pin XLR connector, GX16 aviation connector, Anderson Powerpole connector, XT30, XT60, XT90 connectors, Molex connectors, JST connectors, SAE connectors, T-Plug connectors, and customized cable assemblies for specific applications.

Safety Design

Designed with comprehensive protection functions including over-voltage protection, over-current protection, short-circuit protection, overload protection, thermal protection, and charging status indicators to ensure safe and reliable operation.

Certifications

Available with UL, cUL, CE, FCC, RoHS, UKCA, PSE, SAA, CB, and DOE Level VI certifications according to customer project requirements and target markets.