The 16.8V 4A desktop battery charger from Guangdong QINX Technology Co., Ltd. is developed for 4S rechargeable Lithium Li-ion battery packs, delivering a stable 67.2W output. Designed for efficient charging and dependable operation, it is an ideal solution for rechargeable electronic equipment, industrial devices and customized OEM/ODM battery charging projects.
Engineered for 4-cell Lithium Li-ion battery packs, this 16.8V 4A desktop charger incorporates a precision constant-current/constant-voltage (CC/CV) charging system that provides accurate voltage regulation and controlled current output throughout the charging process. The optimized charging profile helps maximize charging efficiency while supporting long-term battery stability and reliable performance.
Featuring a universal 100-240VAC input, the charger can be used in global markets without additional voltage conversion. Guangdong QINX Technology Co., Ltd. provides extensive customization services, including output cable length, DC connector selection, enclosure color, private branding, product labels and customized packaging, allowing seamless integration into customer products and battery systems.
The 4A output current enables quicker charging for medium-capacity Lithium Li-ion battery packs while maintaining controlled charging conditions that help protect battery cells and improve overall charging consistency.
Optional connector types include 5.5×2.1mm, 5.5×2.5mm, 3.5×1.35mm, 4.0×1.7mm, 4-pin XLR connectors, GX12 aviation connectors, XT30 connectors, Molex connectors, JST connectors, DC7909 connectors, magnetic charging connectors and customized cable harnesses.
Designed with comprehensive protection features, including over-voltage protection, over-current protection, overload protection, short-circuit protection and over-temperature protection, ensuring stable and safe charging performance during long-term operation.
Available with UL, cUL, CE, FCC, RoHS, UKCA, PSE, SAA, CB and DOE Level VI certifications to meet international safety, EMC and energy efficiency standards.
| Series | Models | Output Voltage/Current/Power | Energy Efficiency |
|
16.8V / 1W-336W DESKTOP Li-Ion Chargers for 4S 14.8V Battery pack |
QXP-BCD-16800500 | 16.8V 0.5A 8.4W | VI |
| QXP-BCD-16801000 | 16.8V 1A 16.8W | VI | |
| QXP-BCD-16801400 | 16.8V 1.4A 23.52W | VI | |
| QXP-BCD-16801500 | 16.8V 1.5A 25.2W | VI | |
| QXP-BCD-16802000 | 16.8V 2A 33.6W | VI | |
| QXP-BCD-16803000 | 16.8V 3A 50.4W | VI | |
| QXP-BCD-16803500 | 16.8V 3.5A 58.8W | VI | |
| QXP-BCD-16804000 | 16.8V 4A 67.2W | VI | |
| QXP-BCD-16804500 | 16.8V 4.5A 75.6W | VI | |
| QXP-BCD-16805000 | 16.8V 5A 84W | VI | |
| QXP-BCD-16806000 | 16.8V 6A 100.8W | VI | |
| QXP-BCD-16807000 | 16.8V 7A 117.6W | VI | |
| QXP-BCD-16807500 | 16.8V 7.5A 126W | VI | |
| QXP-BCD-16808000 | 16.8V 8A 134.4W | VI | |
| QXP-BCD-16809000 | 16.8V 9A 151.2W | VI | |
| QXP-BCD-16810000 | 16.8V 10A 168W | VI | |
| QXP-BCD-16811000 | 16.8V 11A 184.8W | VI | |
| QXP-BCD-16812000 | 16.8V 12A 201.6W | VI | |
| QXP-BCD-16813000 | 16.8V 13A 218.4W | VI | |
| QXP-BCD-16814000 | 16.8V 14A 235.2W | VI | |
| QXP-BCD-16815000 | 16.8V 15A 252W | VI | |
| QXP-BCD-16816000 | 16.8V 16A 268.8W | VI | |
| QXP-BCD-16817000 | 16.8V 17A 285.6W | VI | |
| QXP-BCD-16818000 | 16.8V 18A 302.4W | VI | |
| QXP-BCD-16819000 | 16.8V 19A 319.2W | VI | |
| QXP-BCD-16820000 | 16.8V 20A 336W | VI | |
| Email us at info@qinxpsu.com if you need customized service. | |||







