The Guangdong QINX 51.1V 2.75A desktop battery charger is developed for 14S rechargeable LiFePO4 battery packs, delivering a regulated 140.5W output for efficient and stable charging. Designed to support OEM and ODM battery solutions, it is suitable for a variety of portable, industrial and commercial electronic products requiring dependable charging performance.
Optimized for 14-cell LiFePO4 battery configurations, this 51.1V 2.75A desktop charger employs an intelligent CC/CV charging system to provide smooth power delivery from the beginning to the end of the charging cycle. Accurate voltage and current control contributes to stable battery performance and helps extend the service life of rechargeable battery packs.
Featuring a worldwide 100-240VAC input, the charger can be used in different regions without additional voltage conversion, making it a practical choice for export-oriented equipment manufacturers and battery pack assemblers. Guangdong QINX offers complete customization capabilities, including DC output cable specifications, connector selection, enclosure design, logo printing, product labeling and customized packaging.
The 2.75A output provides an excellent compromise between charging efficiency and battery protection, making it suitable for medium-capacity LiFePO4 battery systems that require reliable daily charging.
Available with various DC connector options, including 5.5×2.5mm, 5.5×2.1mm, 6.5×4.4mm, XLR connectors, GX12/GX16 aviation connectors, Anderson Powerpole connectors, XT30, XT60, Molex connectors, JST connectors, SAE connectors and customized cable assemblies to match customer requirements.
Designed with comprehensive protection features including over-voltage protection, over-current protection, short-circuit protection and over-temperature protection to ensure safe, stable and reliable operation.
Available with UL, cUL, CE, FCC, RoHS, UKCA, PSE, SAA, CB and DOE Level VI certifications to satisfy the compliance requirements of 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. | |||
