Ebike

Ebike Needs Analysis

• Extend range by at least 30%
• Improve charging speed to reach 80% capacity within 2 hours
• Enhance Battery Management System (BMS) for improved safety and lifespan
• Maintain or reduce battery weight without compromising vehicle performance

Battery Specifications Needs

• Dimension:Compact design to fit within the existing frame, not exceeding 365mm x 90mm x 115mm
• Weight: Maximum of 3.5 kg to maintain the bike’s lightweight profile
• Voltage:48V nominal, with a full charge voltage of 54.6V
• Capacity:Minimum 14Ah, with a target of 17.5Ah to achieve the desired range extension
• Discharge Rating:Continuous discharge rate of 30A, with peak discharge capability of 45A for 30 seconds to support powerful acceleration
• Chemistry:High-energy density NMC (Nickel Manganese Cobalt) cells for optimal performance and longevity
• BMS (Battery Management System):Advanced cell balancing to ensure uniform cell performance
  • Integrated temperature sensors for enhanced safety
  • Bluetooth connectivity for real-time battery status monitoring
  • Customizable power output profiles to match different riding modes
• Certifications:3, UL 2271, and IP67 water resistance rating to ensure safety and durability in various conditions

PKCELL SOLUTION DESIGN

• We customized a high-performance lithium-ion battery solution for GreenRide eBikes:Utilized latest NMC (Nickel Manganese Cobalt) battery chemistry, increasing energy density by 25%
• Integrated advanced BMS for precise battery state monitoring and management
• Optimized charging algorithm to support fast-charging capabilities
• Implemented lightweight design with aerospace-grade aluminum casing

Implementation Process:

• Collaborated closely with GreenRide’s engineering team for multiple rounds of prototype testing and optimization
• Provided comprehensive technical support to assist with new battery system integration
• Conducted rigorous safety testing and certification to ensure compliance with international standards

Performance Data:

Our engineering team worked closely with GreenRide to develop a custom battery solution that not only met but exceeded these specifications:

• Final dimensions: 360mm x 85mm x 110mm, allowing for improved frame integration
• Weight: 3.3 kg, 5.7% lighter than the maximum requirement
• Achieved capacity: 17.8Ah, surpassing the target and providing extended range
• Range increased by 35%, from 80 km to 108 km
• Charging time reduced by 40%, reaching 85% capacity within 2 hours
• Battery weight reduced by 10% while improving energy density
• Battery lifespan extended by 20%, with an expected life of over 1,000 full charge cycles
• Implemented a smart BMS with machine learning capabilities for adaptive performance optimization
• Exceeded safety standards with additional certifications, including IEC 62133-2:2017 for enhanced reliability

Conclusion

This case study demonstrates our expertise in the eBike battery field, our innovation capabilities, and the quality of our customer service. This comprehensive solution not only addressed the client’s specific needs but also brought significant growth to their business, helping to build confidence in our products and services among potential customers.