The 51.1V 4A desktop battery charger from Guangdong QINX Technology Co., Ltd. is designed for 14S rechargeable LiFePO4 battery packs, providing a stable 204.4W output for efficient and dependable charging. Suitable for OEM and ODM applications, this charger is widely used in industrial electronics, intelligent equipment and portable battery-powered systems requiring reliable power management.
Purpose-built for charging 14-cell LiFePO4 battery packs, this 51.1V 4A desktop charger utilizes an advanced constant-current/constant-voltage (CC/CV) charging method to deliver accurate voltage regulation and consistent current output. The optimized charging process helps maintain battery performance while supporting long-term operational stability.
Supporting a universal 100-240VAC input, the charger is suitable for worldwide deployment and can be integrated into products sold across different international markets. Guangdong QINX Technology Co., Ltd. provides comprehensive customization services, including output cable length, DC connector selection, enclosure color, logo printing, specification labels and customized packaging to meet individual customer requirements.
With its 4A charging capability, this model provides a practical balance between charging speed and battery protection, making it suitable for medium-capacity LiFePO4 battery packs used in commercial and industrial equipment.
Optional output connectors include 5.5×2.5mm, 5.5×2.1mm, 6.5×4.4mm, XLR connectors, GX16 aviation connectors, Anderson Powerpole connectors, XT30, XT60, XT90, Molex connectors, JST connectors, Mini DIN connectors and customized cable assemblies.
Designed with integrated protection against over-voltage, over-current, short circuit and excessive temperature, helping ensure safe charging and reliable long-term operation.
Available with UL, cUL, CE, FCC, RoHS, UKCA, PSE, SAA, CB and DOE Level VI certifications to support product compliance in international markets.
| Series | Models | Output Voltage/Current/Power | Energy Efficiency |
| 51.1V 1W-500W DESKTOP LiFePO4 Chargers for 14 Cells 44.8V LiFePO4 Battery Packs |
QXP-BCD-51101000 | 51.1V 1A 51.1W | VI |
| QXP-BCD-51102000 | 51.1V 2A 102.2W | VI | |
| QXP-BCD-51102750 | 51.1V 2.75A 140.5W | VI | |
| QXP-BCD-51103000 | 51.1V 3A 153.3W | VI | |
| QXP-BCD-51104000 | 51.1V 4A 204.4W | VI | |
| QXP-BCD-51105000 | 51.1V 5A 255.5W | VI | |
| QXP-BCD-51106000 | 51.1V 6A 306.6W | VI | |
| QXP-BCD-51107000 | 51.1V 7A 357.7W | VI | |
| QXP-BCD-51108000 | 51.1V 8A 408.8W | VI | |
| QXP-BCD-51109000 | 51.1V 9A 459.9W | VI | |
| QXP-BCD-51109800 | 51.1V 9.8A 500W | VI | |
| Optional DC Connectors | 5.5*2.5, 5.5*2.1, 5.0*3.0, 4.8*1.7, 4.0*1.7, 3.5*1.35, 2.5*0.7, 6.0*3.0, 6.5*4.0, 6.5*4.4, 6.5*4.5 (6.5x1.4), 6.3*3.0, 6.0*4.4, 5.0*1.0, 5.1*7.4, 5.0*7.4, 5.5*1.7, 6.4*4.0, 6.0*3.7, Center pin, Cigarette lighter, 2pin, 3pin, Micro USB, Mini USB, RJ11, Straight Barrel, Right Angle Barrel, KPPX-3P/4P, Molex 2 pin, Molex 6 pin, XT30/XT60/XT90, M16, Alligator dip, Anderson Torberry, Audio, RCA, XLR, D-tap, IP type, GX12/16/20, Circular type, Ez-go, LP20-3pin, Stripped and Tinned Leads, Typc C, Minifit-Molex, C14, C13, 9pin "D" Type, 4 pin/prong-Din, 6-Pin Molex Connector, 4 Pin Mini Din, Aviation Plugs, 8-PIN DIN, Coaxial, Crocodile clip, M19, 2/3-Pin Terminal Blocks, Switchcraft S760K, 3 pin 4 pin XLR Female/Male, CJT C2020HF-2P, CJT C2020F-TP, GT193110-02021-XX, GT193110-02021-01, GT193119-02021-01, SAE, WJ15EDGKM-3.81-2P, open wire, GX16 2 pin aviation, CNLINKO LP20 connector LP-20-C02PE-02-004B, LP-20-C02PE-01-022 connector, LP-20-C02PE-01-024, LP-20-C03PE-01-001A, LP-20-C03PE-01-022DC, CNLINKO YA20 connector YA-20-J04PE-01-001 YA-20-C04SX-03-201...... | ||
| Email us at info@qinxpsu.com if you need customized service. | |||







