Shenzhen Kinglisheng New Energy Technology Co., Ltd.
                                                                                                           
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12 Years
Since 2014
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7S 40A 60A BMS Board for Lithium Battery Packs - 124mm x 64mm PCB with Overcharge Protection

Price Negotiable
Price: $0.1-$20.0/PCS
MOQ: 10PCS
Delivery Time: 5-8 Work Days
Brand: KLS
Product Description
Product Overview

7S 40A/60A BMS Board designed for power tools, e-wheelchairs, sweeping machines, and various electric vehicles. This battery management system provides comprehensive protection for lithium battery packs.

Battery Configuration: 7S (7 cells in series)
Working Current: 40A/60A maximum
Board Dimensions: 124mm × 64mm
Warranty: 1 year comprehensive coverage
Technical Specifications
Parameter Specification
Board Thickness 0.5-4OZ / 1 Oz / 2Oz or Custom
Copper Thickness 0.2~6mm or customize
Min. Hole Size T/2mm / 0.2 Mm / 0.15mm or customize
Min. Line Width 0.15mm / 0.1mm or customize
Min. Line Spacing 0.15mm / 0.1mm/4mil or customize
Surface Finishing HASL, Immersion gold, Flash gold, plated silver, OSP
Balanced Current Can Be Customized
Voltage Can be set according to cell type and customer needs
Protection Features
  • Short Circuit Protection
  • Over Charge Protection
  • Over Discharge Protection
  • Over Current Protection
  • Optional Balance Function
  • Optional Temperature Sensor
Application Fields

Electric Bicycles, Motorcycles, E-bikes, E-wheelchairs, E-tricycles, Low Speed Cars, Electric Two-wheelers, Power Tools, Startup Power Systems, Energy Storage Power Systems

Compatible Battery Types
  • LiFePO4 (LFP) Batteries
  • Li-ion Batteries
  • LTO Battery Packs
  • NMC Batteries
Product Images
7S 40A 60A BMS Board front view showing components and connections 7S BMS Board side view displaying PCB layout and terminals Close-up of 7S BMS Board showing high-quality chips and MOSFET components
Wiring Instructions
  • Installation requires basic electronics technical expertise
  • First connect B- wire to battery negative terminal using short, thick wire
  • Solder wired terminal to battery pack before inserting protection board
  • Use thick wires for P+/P- connections to prevent board damage
  • Ensure B- to B- connection is short and thick to avoid malfunctions
Certifications & Quality Assurance

All products are CE, FCC, RoHS certified and undergo 100% professional laboratory testing with repeated aging tests. ISO9001, ISO14001, ISO13485, and REACH compliance.

Contact Information

Mobile/WhatsApp/WeChat: +8617779781189

Email: sale10@jlspcba.com

24/7 online service available. Custom ODM services with factory-direct pricing.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen Kinglisheng New Energy Technology Co., Ltd.
Location Room 101, Building 4, North Yongfa Science Park, Xinhe Road, Gonghe Community, Shajing Street, Shenzhen, Guangdong, China
Contact Person Miya

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