Factory Direct Sale 84V 40A 3600W Charger for 20s 72V 74V Li-ion/Lithium Polymer Battery for Electric Tools/Wireless Monitoring/EV /Scooter/Solar

Basic Info

Model NO.	QW740-400-L
Size	315*180*90mm
Certification	RoHS, CE
Socket Type	Au/EU/UK/Us Plug
Recyclable	Recyclable
Input Voltage	AC 180~264V 50/60Hz
Transport Package	Corrugated Paper Packing Box
Specification	Weight: 8000g(only body)
Trademark	QUAWIN/OEM
Origin	Shenzhen
HS Code	850431900
Production Capacity	50000 Pieces

Product Description

Quick Detail:
Brand Name:QUAWIN Model Number:QW740-400-L 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 Shell Material:Metal case Input voltage:AC 180~264V 50/60Hz Output voltage:84V Output current:40a(Max) Output power:3360W Charge mode:CC-CV(Constant Current-Constant Voltage) Output Connector:Crocodile clip,aviation connector,Ring terminal,SB120A Plug,customization

Packaging & Delivery : 2pcs/Carton Carton size: 615*520*235mm Delivery Detail:sample within 7 work days,15~25 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 • Stabilized output and low noice • Efficiency(at 100% load): >=90% • Operating temperature:-20ºC ~ 45ºC • Storage temperature:-40ºC ~ 85ºC • Operating humidity:5%~90%RH

Specification:
• Input: AC 180~264V 50/60Hz • Output: DC 84V • Charging current: 40a(Max) • Dimensions (mm): 315*180*90mm • Weight: 8000g(only body)

Safety protections:
• Over Voltage protection • Short Circuit protection • Polarity error protection • Over power 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)
QW256-1000-F	(LiFePO4)	180~264V	25.6(8S)	29.2	100
QW384-800-F			38.4(12S)	43.8	80
QW512-600-F			51.2(16S)	58.4	60
QW640-500-F			64(20S)	73	50
QW768-400-F			76.8(24S)	87.6	40
QW259-1000-L	(Lithium)		25.9(7S)	29.4	100
QW370-800-L			37(10S)	42	80
QW481-600-L			48.1(13S)	54.6	60
QW629-500-L			62.9(17S)	71.4	50
QW740-400-L			74(20S)	84	40
QW240-1000-S	(Lead Acid)		24(2S)	29.4	100
QW360-800-S			36(3S)	44.1	80
QW480-600-S			48(4S)	58.8	60
QW600-500-S			60(5S)	73.5	50
QW720-400-S			72(6S)	88.2	40