The 21V 5A desktop charger from Guangdong QINX is engineered to deliver fast and stable charging performance for 5-cell Lithium Li-ion battery systems. By utilizing an optimized CC/CV charging strategy, the charger ensures accurate voltage regulation and controlled current output throughout the charging cycle, helping maintain battery stability and performance.
Its universal 100-240VAC input design allows deployment across international markets without additional modifications. This makes the charger an ideal solution for battery pack manufacturers, electronic device producers, and private-label brands seeking reliable charging products.
With a 5A charging current, this model is suitable for medium and large-capacity battery packs that require shorter charging times. Customers can customize output cables, DC plugs, housing appearance, labels, packaging, and logo printing to meet project-specific requirements.
Optional connector types include 5.5×2.1mm DC plug, 5.5×2.5mm DC plug, 6.3×3.0mm connector, 4.0×1.7mm connector, 3.5×1.35mm connector, 2.5×0.7mm connector, JST connectors, Molex connectors, XT30 connectors, XT60 connectors, XT90 connectors, GX aviation connectors, XLR connectors, Anderson Powerpole connectors, and customized cable assemblies.
Designed with comprehensive safety protections including over-voltage protection, over-current protection, short-circuit protection, overload protection, and thermal protection to support safe and reliable charging operation.
Available with UL, cUL, CE, FCC, RoHS, UKCA, PSE, SAA, CB, and DOE Level VI certifications according to project and destination market requirements.
| Series | Models | Output Voltage/Current/Power | Energy Efficiency |
| 21V 1W-420W DESKTOP Li-Ion Chargers for 5 Cells 18.5V Battery packs |
QXP-BCD-21000500 | 21V 0.5A 10.5W | VI |
| QXP-BCD-21001000 | 21V 1A 21W | VI | |
| QXP-BCD-21001500 | 21V 1.5A 31.5W | VI | |
| QXP-BCD-21002000 | 21V 2A 42W | VI | |
| QXP-BCD-21003000 | 21V 3A 63W | VI | |
| QXP-BCD-21004000 | 21V 4A 84W | VI | |
| QXP-BCD-21005000 | 21V 5A 105W | VI | |
| QXP-BCD-21006000 | 21V 6A 126W | VI | |
| QXP-BCD-21007000 | 21V 7A 147W | VI | |
| QXP-BCD-21008000 | 21V 8A 168W | VI | |
| QXP-BCD-21009000 | 21V 9A 189W | VI | |
| QXP-BCD-21010000 | 21V 10A 210W | VI | |
| QXP-BCD-21011000 | 21V 11A 231W | VI | |
| QXP-BCD-21012000 | 21V 12A 252W | VI | |
| QXP-BCD-21013000 | 21V 13A 273W | VI | |
| QXP-BCD-21014000 | 21V 14A 294W | VI | |
| QXP-BCD-21015000 | 21V 15A 315W | VI | |
| QXP-BCD-21016000 | 21V 16A 336W | VI | |
| QXP-BCD-21017000 | 21V 17A 357W | VI | |
| QXP-BCD-21018000 | 21V 18A 378W | VI | |
| QXP-BCD-21019000 | 21V 19A 399W | VI | |
| QXP-BCD-21020000 | 21V 20A 420W | 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, CNLINKO YA20 connector YA-20-J04PE-01-001 YA-20-C04SX-03-201...... | ||
| Email us at info@qinxpsu.com if you need customized service. | |||
