AC 220V Factory Direct Sale DC 42V 80A 3600W Charger for 10s 36V 37V Li-ion/Lithium Polymer Battery
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Product Highlights
- High Efficiency Charging: Efficiency at 100% load is guaranteed to be >=90% for optimal power usage.
- CC-CV Charging Mode: Utilizes Constant Current-Constant Voltage mode for safe and stable charging.
- Comprehensive Safety Protections: Includes over voltage, short circuit, polarity error, and over power protection.
- Wide Input Voltage Range: Accepts AC 180~264V at 50/60Hz for global compatibility.
- Intelligent LED Indicators: Visual status updates via Green, Blue, and Red LED flashes for all modes.
- Robust Metal Construction: Durable metal case shell designed for industrial and heavy-duty use.
- RoHS and CE Certified: Meets international safety and environmental standards for compliance.
- Fast Sample Delivery: Samples shipped within 7 working days for quick evaluation.
Product Attributes
- Customization
- Available
- Type
- Lithium Battery
- Charger Type
- Electric Charger
- Model NO.
- QW370-800-L
- Charger Application
- Standard Battery
- Nominal Voltage
- 42V
- Charger Style
- Intelligent Charger
- Compatible Battery Type
- 36-Volt
- 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
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Product Description
Brand Name:QUAWIN
Model Number:QW370-800-L
Use:10S 36V 37V Li-ion or Li-polymer battery pack
Type:Electric
Place of Origin:Guangdong China (Mainland)
Battery charger:automatic battery charger 42V
Color:Black
Shell Material:Metal case
Input voltage:AC 180~264V 50/60Hz
Output voltage:42V
Output current:80a(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 :
Specifications:
10S 36V 37V 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 42V
• Charging current: 80a(Max)
• Dimensions (mm): 315*180*90
• 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 | ||











About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASI2321204". Items marked "" are certified.
Company Profile
"Quality is our priority, win by quality" which is the origin of the our company name --Quawin.
We always highly focus on Quality Assurance and completed After-Sales Service which based on competitive price. Our QA/QC Department performs strict quality control measures on all incoming main boards, spare parts and throughout our entire production process to ensure the high quality of each products. Pursuing the goal of 'No Defect on Quality, No Claim from Customers, ' we will continue to follow international standards to provide customers with satisfactory products.
As an eighteen years experience manufacture, we have built a powerful R& D team which has abundant knowledge and operational experience that can develop new products and improve existing models in order to meet growing market demands. This high efficient and energetic team is good at overcoming all kinds of obstacles.
We strive for 100% customer's satisfaction through continuous improvement and now our high quality products and thoughtful services have got good reputation from customers in the North America, South America, Europe, Asia and other countries and regions.
We currently rolls out thousands of products such as E-bike battery, golf car battery, UPS battery, BMS, solar battery, backup power battery and all kinds of matched chargers etc.
To keep ahead of the competition, you need a supplier who can keep up with your demands. Please contact us and let our excellent sales team to provide perfect service to you at once.
About Our Factory & Business Background
- Address
- 3rd Floor, Building C, Building 1, Aike Industrial Park, Baoan 23 District, Shenzhen, Guangdong, China
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Money Gram
- International Commercial Terms(Incoterms)
- FOB, CIF, EXW
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- Shenzhen Port
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2006-01-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the output voltage and current?
- The charger provides a DC 42V output with a maximum current of 80A.
- Which battery types are compatible?
- It is designed for 10S 36V or 37V Li-ion and Li-polymer battery packs.
- How long does it take to deliver bulk orders?
- Bulk orders typically require 15 to 25 days for delivery.
- What safety features are included?
- It features protection against over voltage, short circuits, polarity errors, and over power.
- What is the charging efficiency?
- The efficiency is guaranteed to be at least 90% at 100% load.
- What payment methods are accepted?
- We accept LC, T/T, D/P, PayPal, Western Union, and Money Gram.
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