Shenzhen Kinglisheng New Energy Technology Co., Ltd.
                                                                                                           
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12 Years
Since 2014
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4S 5A/10A Lithium Ion NMC LiFePO4 Battery BMS Board 60mm×20.5mm for Power Tools

Price Negotiable
Price: $0.1-$50.0/PCS
MOQ: 10PCS
Delivery Time: 5-8 Work Days
Brand: KLS
Product Description
Product Overview

4S 5A/10A lithium-ion/NMC/LiFePO4 battery management system (BMS) board designed for power tools and electric applications. This protection board ensures safe charging and discharging operations with comprehensive safety features.

Technical Specifications
Parameter Specification
Board Size 60mm × 20.5mm
Discharge Current 5A/10A
Battery Configuration 4S (4 cells in series)
Protection Functions Short circuit, overcharge, over-discharge, over-current
Selectable Functions Balance function, temperature sensor
Battery Compatibility LiFePO4, Li-ion, NMC, LTO battery packs
Board Thickness 0.5-4OZ / Custom
Certifications CE, FCC, RoHS, ISO9001, ISO14001, REACH, ISO13485
Key Features
  • Same-port interface design for simplified installation
  • Maximum working current of 5A/10A
  • Customizable voltage settings based on cell type
  • Adjustable balanced current options
  • High-performance chips and quality components
  • Rapid response function for effective battery protection
  • Temperature detection via NTC port
Application Fields

Electric bicycles, motorcycles, e-bikes, wheelchairs, tricycles, low-speed vehicles, electric tools, startup power systems, and energy storage applications.

Product Images
4S BMS board front view showing component layout and connections 4S BMS board side view displaying terminal connections Close-up view of BMS board showing high-quality chips and MOSFETs
Installation Guidelines
Wiring Precautions
  • Requires basic electronics technical expertise for installation
  • Connect B- wire first to battery negative terminal using short, thick wire
  • Use thick wires for P+/P- connections to prevent board damage
  • Ensure proper soldering and secure connections
Quality Assurance
  • 100% professional laboratory testing and aging tests
  • International standard certifications (CE, FCC, RoHS)
  • 3-year after-sales warranty with free replacement
  • Over 10 years of technical support experience
Customization & Support

ODM customization available with minimum order quantity of 1 piece. Sample delivery within 1-10 days depending on customization requirements. Technical support includes instructional videos and online engineer guidance.

Contact Information

Mobile & WhatsApp & WeChat: +8617779781189

Email: sale10@jlspcba.com

Brand: KLS (Source Manufacturer)

24/7 online service available

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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