16.8V 1.4A 23.52W Desktop Battery Charger for 4S Lithium Li-ion Battery Packs | Guangdong QINX

Specifically engineered for 4-cell Lithium Li-ion battery packs, this 16.8V 1.4A desktop charger utilizes a refined constant-current/constant-voltage (CC/CV) charging system to deliver smooth charging throughout the entire charging cycle. Stable voltage output and accurate current regulation help improve charging efficiency while supporting consistent battery performance and extended service life.

The charger operates from a universal 100-240VAC input, making it suitable for worldwide use without additional input voltage adjustment. Guangdong QINX provides comprehensive OEM and ODM customization services, including DC output cable length, connector selection, housing appearance, company logo printing, product labels and customized packaging for seamless product integration.

With a 1.4A charging current, this model offers faster charging than lower-current versions while maintaining reliable protection for small- and medium-capacity Lithium Li-ion battery packs.

Applications

• Portable wireless routers
• Smart attendance terminals
• Rechargeable inspection cameras
• Battery-powered audio equipment
• Mobile diagnostic devices
• Portable GPS receivers
• Electronic access control units
• Compact industrial controllers

Connector Options

Available with a variety of connector options, 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, magnetic DC plugs, Snap connectors and customized cable assemblies.

Safety Design

Built with comprehensive protection functions, including over-voltage protection, over-current protection, short-circuit protection and over-temperature protection, ensuring stable and safe charging performance during long-term operation.

Certifications

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