16.8V 4.5A 75.6W Desktop Battery Charger for 4S Lithium Li-ion Battery Packs | Guangdong QINX

Designed for 4-cell Lithium Li-ion battery packs, this 16.8V 4.5A desktop charger employs a refined CC/CV charging system that precisely controls charging voltage and current throughout the entire charging process. The intelligent charging profile helps improve charging efficiency, maintains battery stability and supports a longer service life for rechargeable battery packs.

Its universal 100–240VAC input enables reliable operation in different countries and regions, simplifying product deployment for global manufacturers. Guangdong QINX provides flexible OEM and ODM services, including customized output cables, DC connector types, enclosure colors, logo printing, product labels and packaging solutions to meet diverse customer requirements.

With a 4.5A charging current, this model offers a practical solution for medium-capacity Lithium Li-ion battery packs where shorter charging time and dependable charging performance are equally important.

Applications

• Portable video conferencing equipment
• Smart inspection terminals
• Rechargeable broadcasting devices
• Industrial handheld computers
• Mobile imaging equipment
• Intelligent logistics scanners
• Battery-powered test instruments
• Portable communication systems

Connector Options

A variety of output connector options are available, including 5.5×2.1mm, 5.5×2.5mm, 3.5×1.35mm, 4.0×1.7mm, XLR connectors, GX12/GX16 aviation connectors, XT30 connectors, Molex connectors, JST connectors, Mini-Fit connectors, magnetic DC connectors and customized cable assemblies.

Safety Design

Built with intelligent protection functions including over-voltage protection, over-current protection, overload protection, short-circuit protection and over-temperature protection, ensuring safe, stable and reliable charging performance in continuous operation.

Certifications

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