21V 4.76A Lithium Li-ion Battery Charger for 5S Batteries | QINXPOWER®

The QINXPOWER 100W 21V 4.76A (4760mA) AC to DC battery charger is specifically designed for power tools and other high-load electronic devices using 5S 18.5V Lithium Li-ion battery packs. Delivering stable high-current output with precise voltage control, this charger ensures fast charging, reliable performance, and extended battery life under demanding operating conditions.

Equipped with 5.5×2.1mm or 5.5×2.5mm DC connectors, this 21 volt 4.76 Amp charger supports wide compatibility across cordless drills, saws, grinders, and other lithium-powered tools. The charger features a CC/CV charging algorithm and multiple safety protections. With universal 100–240V AC input, it is suitable for global markets. As a QINXPOWER® factory-direct solution, OEM/ODM customization is available for power tools brands and system integrators.