16.8V 18A 302.4W Desktop Battery Charger with PFC for 4S Lithium Li-ion Battery Packs | Guangdong QINX Technology Co., Ltd.

Designed specifically for 4-cell Lithium Li-ion battery packs, this 16.8V 18A desktop charger incorporates an intelligent multi-stage CC/CV charging algorithm to precisely regulate charging voltage and current throughout the charging process. The optimized charging profile helps improve charging efficiency, maintain battery consistency and extend battery service life.

With an output power exceeding 300W, this model integrates Active Power Factor Correction (PFC), helping improve input power utilization, reduce harmonic distortion and meet the power quality requirements of many industrial and international applications. The universal 100–240VAC input supports worldwide operation, making the charger suitable for export products and multinational OEM projects.

Guangdong QINX Technology Co., Ltd. offers comprehensive customization services, including output cable specifications, connector types, enclosure appearance, private logo printing, product labels and customized packaging, enabling customers to develop charging solutions tailored to their equipment.

The 18A high-current output is ideal for large-capacity 4S Lithium Li-ion battery packs where reduced charging time and stable charging performance are essential.

Applications

• Portable energy storage equipment
• Industrial mobile workstations
• Autonomous mobile robots (AMR)
• Professional broadcasting systems
• High-performance portable testing equipment
• Intelligent warehouse automation devices
• Mobile emergency power units
• Commercial battery-powered machinery

Connector Options

Optional DC connector configurations include 5.5×2.1mm, 5.5×2.5mm, XLR 3-pin and 4-pin connectors, GX16 and GX20 aviation connectors, XT60, XT90, EC5 connectors, Anderson Powerpole connectors, SB50 connectors, Molex connectors, JST connectors and customized cable assemblies.

Safety Design

Equipped with comprehensive protection features including over-voltage protection, over-current protection, overload protection, short-circuit protection and over-temperature protection. The built-in Active PFC design further improves power efficiency and operational stability for high-power charging applications.

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 standards.