• 21V 2A Li-ion Battery Charger for 5S Rechargeable Packs
  • 21V 2A Li-ion Battery Charger for 5S Rechargeable Packs
  • 5v-3a-15w-power-adapter-size
  • 5v-3a-15w-power-adaptor-size
  • 21V 2A Li-ion Battery Charger for 5S Rechargeable Packs
  • 21V 2A Li-ion Battery Charger for 5S Rechargeable Packs
  • 5v-3a-15w-power-adapter-size
  • 5v-3a-15w-power-adaptor-size

21V 2A Desktop Battery Charger for 5S Lithium Li-ion Battery Packs | Guangdong QINX

No.QXP-BCD-21002000
The QINXPOWER® 21V 2A desktop battery charger is purpose-built for 5S Lithium Li-ion rechargeable battery packs. Delivering 42W charging power, this model provides an effective balance between charging speed and battery protection. It is widely used in portable electronics, smart devices, industrial instruments, and battery-powered equipment. Guangdong QINX offers comprehensive OEM and ODM customization services for global customers.
Input
100V-24VAC, 50/60Hz
Output
21V 2A 42W
DC connector
optional/customized
Customization
Support
Product Size
101x48x32mm (3 pin) 97x48x32mm (2 pin)
Weight
depends on the cable length and dc connector
Service
OEM/ODM/Customization
Energy Efficiency
Level VI >88%
Protection
SCP, OVP, OCP, OTP
Certificates
UL cUL SAA PSE UKCA CE RoHS FCC DOE VI CB
DC Cable
1.2m (customized)
AC Inlet
C6/C8/C14 optional
AC Cable
1.2m with 2 pin or 3 pin US/JP/UK/EU/AR/KR/IN plug
Color
Black/White/Customized
Warranty
3 years
  • 21V 2A Li-ion Battery Charger for 5S Rechargeable Packs
  • 21V 2A Li-ion Battery Charger for 5S Rechargeable Packs
  • 5v-3a-15w-power-adapter-size
  • 5v-3a-15w-power-adaptor-size

Description

Guangdong QINX's 21V 2A desktop charger is engineered to provide dependable charging performance for 5-cell Lithium Li-ion battery systems. Incorporating an advanced CC/CV charging algorithm, the charger supports stable voltage regulation and controlled current delivery throughout the charging cycle.

The charger accepts a universal 100-240VAC input, making it suitable for worldwide applications. Whether used by equipment manufacturers, battery pack assemblers, distributors, or private-label brands, this charger offers a flexible and reliable charging solution.

Compared with lower-current versions, the 2A output current significantly shortens charging time while maintaining battery safety. The charger can be customized with various DC connectors, cable lengths, housing finishes, labels, packaging designs, and branding options to meet project-specific requirements.

Applications

  • Portable barcode scanners
  • Handheld diagnostic instruments
  • Rechargeable security devices
  • Smart access control systems
  • Mobile communication equipment
  • Electronic testing instruments
  • Portable surveillance equipment
  • Battery-powered automation devices

Connector Options

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, GX aviation plugs, XLR connectors, Anderson Powerpole connectors, and custom cable terminations.

Safety Design

Designed with comprehensive protection functions including over-voltage protection, over-current protection, overload protection, short-circuit protection, and over-temperature protection to ensure reliable and safe operation.

Certifications

Available with UL, cUL, CE, FCC, RoHS, UKCA, PSE, SAA, CB and DOE Level VI certifications according to customer requirements and destination market regulations.

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.


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