16.8V 3A 50.4W Desktop Battery Charger for 4S Lithium Li-ion Battery Packs | Guangdong QINX Technology Co., Ltd.

Designed for 4-cell Lithium Li-ion battery packs, this 16.8V 3A desktop charger features a high-precision constant-current/constant-voltage (CC/CV) charging system that automatically manages charging current and voltage for safe and efficient operation. The optimized charging profile helps improve energy transfer efficiency while supporting consistent battery performance and extended cycle life.

A universal 100-240VAC input allows the charger to operate reliably in global markets without additional voltage adjustment. Guangdong QINX Technology Co., Ltd. offers comprehensive OEM and ODM customization services, including DC cable length, connector selection, enclosure color, private logo printing, customized labels and packaging, enabling fast integration into a wide variety of battery-powered products.

With a 3A charging output, this model shortens charging time compared with lower-current versions while maintaining stable charging characteristics for medium-capacity Lithium Li-ion battery packs.

Applications

• Portable industrial scanners
• Smart security terminals
• Rechargeable medical monitoring devices
• Electronic maintenance instruments
• Wireless communication equipment
• Portable imaging devices
• Intelligent retail terminals
• Battery-powered embedded systems

Connector Options

Multiple connector options are available, including 5.5×2.1mm, 5.5×2.5mm, 3.5×1.35mm, 4.0×1.7mm, 4.8×1.7mm, USB Type-C (charging only), JST connectors, Molex connectors, XT30 connectors, DC7909 connectors, magnetic connectors, Mini-Fit connectors and customized cable assemblies.

Safety Design

Equipped with comprehensive protection features including over-voltage protection, over-current protection, short-circuit protection and over-temperature protection, ensuring dependable charging performance and safe daily operation.

Certifications

Available with UL, cUL, CE, FCC, RoHS, UKCA, PSE, SAA, CB and DOE Level VI certifications to satisfy international safety and energy efficiency requirements.