Home » Products » Li-ion/Li-Polymer Battery Charger » Factory Direct Sale 84V 4a 360W charger for 20S 72V 74V Li-ion/Lithium Polymer battery with Waterproof IP54 IP56

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Factory Direct Sale 84V 4a 360W charger for 20S 72V 74V Li-ion/Lithium Polymer battery with Waterproof IP54 IP56

Model:QW740-040-LA
Input voltage:100-240VAC 50/60Hz
Output voltage:84V
Output current:4a(Max)
Dimensions (mm): 204*100*55
Availability:
Quantity:
  • QW740-040-LA

  • QUAWINTEC/OEM

  • 8504401990

  • Shenzhen, China

  • L/C, T/T, D/P, Western Union, Paypal, Money Gram

  • white box/polybags/at your request outer package:carton

  • 500PCS

  • 50000 Pieces

Quick Detail:

Brand Name:QUAWIN

Model Number:QW740-040-LA

Use:20S 72V 74V Li-ion or Li-polymer battery pack

Type:Electric

Place of Origin:Guangdong China (Mainland)

Battery charger:automatic battery charger 84V

Color:Black/Silver

Shell Material:Aluminium alloy

Protection grade:IP54/IP56

Input voltage:100-240VAC 50/60Hz with PFC

Output voltage:84V

Output current:4a(Max)

Output power:336W

Charge mode:CC—CV(Constant Current—Constant Voltage)

Output Connector:Crocodile clip,aviation connector,XLR,Ring terminal,Anderson connector,customization


Packaging & Delivery :

  inner package: white box/polybags/at your request outer package:carton
  Delivery Detail:sample within 5 work days,7~25 days for bulk order

 

Specifications:

  20S 72V 74V Li-ion or Lithium Polymer battery PACK


Features:

  • Charging mode:CC—CV(Constant Current—Constant Voltage)
  • High efficiency and low power consumption
  • Glue pouring process and metal shell cooling design
  • Efficiency(at 100% load): >=90%
  • Operating temperature:-20℃ ~ 45℃
  • Storage temperature:-40℃ ~ 85℃
  • Operating humidity:5%~90%RH


Specification:

  • Input: 100-240VAC 50/60Hz
  • Output: DC 84V
  • Charging current: 4a(Max)
  • Dimensions (mm):204*100*55
  • Weight: 2000g(only body)


Safety protections:

  • Over Voltage protection
  • Short Circuit protection
  • Polarity error protection
  • Over power protection
  • Overheating protection

 

LED Indicator:

  Waiting Mode:LED(GREEN)  ON
  Charging Mode:LED(BLUE)   FLASH
  Full Charged Mode:LED(GREEN)  ON
  Charge Error Mode:LED(RED)   FLASH

 

Call us to know more details datasheet.

(A Typical Model)
Model

Input Voltage(V)

Battery Voltage(V)

Charging Voltage(V)

Charging Current(A)

QW128-200-FA (LiFePO4) AC 100~264V 12.8(4S) 14.6 20
QW256-120-FA 25.6(8S) 29.2 12
QW384-080-FA 38.4(12S) 43.8 8
QW512-060-FA 51.2(16S) 58.4 6
QW640-050-FA 64(20S) 73 5
QW768-040-FA 76.8(24S) 87.6 4
QW148-200-LA (Lithium) 14.8(4S) 16.8 20
QW259-120-LA 25.9(7S) 29.4 12
QW370-080-LA 37(10S) 42 8
QW481-060-LA 48.1(13S) 54.6 6
QW629-050-LA 62.9(17S) 71.4 5
QW740-040-LA 74(20S) 84 4
QW120-200-SA (Lead Acid) 12(1S) 14.7 20
QW240-120-SA 24(2S) 29.4 12
QW360-080-SA 36(3S) 44.1 8
QW480-060-SA 48(4S) 58.8 6
QW600-050-SA 60(5S) 73.5 5
QW720-040-SA 72(6S) 88.2 4

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 +86-0755-86277191
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 282084667
 tinaqw
 fanaib@hotmail.com

CONTACT US

  3rd Floor, Building C, Building 1, Aike Industrial Park, Baoan 23 District, Shenzhen
 +86-0755-86277191
 +86-13418588718
 +86-0755-86277151
 tinaqw
 fanaib@hotmail.com

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