As the global e-bike industry experiences unprecedented growth, Dongguan Yizhan Electronics Technology Co., Ltd. is stepping up to provide cutting-edge battery solutions for e-bike factories worldwide. Specializing in custom lithium battery packs, Yizhan Electronics helps manufacturers deliver e-bikes with longer range, faster charging, and exceptional durability — all backed by world-class engineering and safety standards.
With deep technical expertise, modern manufacturing facilities, and a focus on B2B collaboration, Yizhan has earned a reputation as a trusted OEM e-bike battery supplier for brands across Europe, North America, and Asia-Pacific.
1. The Growing Demand for E-Bike Battery Innovation
1.1 The E-Bike Industry Boom
In recent years, the e-bike market has evolved from a niche mobility solution to a mainstream transportation choice. Market analysts project the global e-bike sector to exceed USD 50 billion by 2030, fueled by:
Urban traffic congestion and demand for alternative commuting methods.
Government subsidies promoting eco-friendly transport.
Consumer demand for healthier, sustainable lifestyles.
At the heart of every successful e-bike is its battery system — the critical component that determines performance, range, and rider satisfaction.
2. Why E-Bike Factories Choose Dongguan Yizhan Electronic Technology Co., Ltd.
E-bike manufacturers face increasing pressure to deliver reliable, high-capacity battery packs that meet diverse rider needs. Yizhan Electronics offers:
Custom engineering for unique e-bike models.
Full compliance with international safety and shipping standards.
Flexible production capacity for both small-batch prototyping and large-scale orders.
After-sales support to ensure smooth integration into assembly lines.

3. Tailored E-Bike Battery Solutions for OEMs
3.1 Voltage and Capacity Options
Yizhan designs battery packs to match various e-bike categories,such as:
36V / 10Ah–17.5Ah – Standard commuter models.
48V / 12Ah–20Ah – High-performance mountain and cargo e-bikes.
52V+ Specialized models requiring extra torque and speed.
Can be customized according to manufacturer requirements for voltage and capacity.
3.2 Cell Chemistry Selection
E-Bike Battery Cell: 18650 、 21700 | ||
Item | 18650 Lithium Cell | 21700 Lithium Cell |
Cell Size | 18 mm diameter × 65 mm length | 21 mm diameter × 70 mm length |
Typical Chemistry Options | – NCM / NCA (Nickel Cobalt Manganese / Nickel Cobalt Aluminum) | – NCM / NCA |
– LiFePO₄ (Lithium Iron Phosphate) | – LiFePO₄ | |
– LMO (Lithium Manganese Oxide) | – LMO | |
Single Cell Capacity | 2.5 – 3.5 Ah (NCM/NCA) | 4.0 – 5.0 Ah (NCM/NCA) |
1.5 – 2.0 Ah (LiFePO₄) | 3.0 – 3.5 Ah (LiFePO₄) | |
Energy Density | 180 – 250 Wh/kg (NCM/NCA) | 200 – 270 Wh/kg (NCM/NCA) |
100 – 140 Wh/kg (LiFePO₄) | 110 – 150 Wh/kg (LiFePO₄) | |
Cycle Life | 500 – 1,000 cycles (NCM/NCA) | Similar to 18650, slightly higher for the same chemistry |
2,000+ cycles (LiFePO₄) | ||
Advantages | Mature technology, widely available, good compatibility with existing BMS and casings | Higher capacity per cell, fewer cells needed per pack, reduced welding points, lower internal resistance |
Typical E-Bike Applications | City commuter e-bikes, folding e-bikes, low-to-mid capacity battery packs | Long-range e-bikes, high-power mountain e-bikes, cargo e-bikes |
Safety Features | Protected by BMS, compliant with UN38.3, CE, RoHS | Same as 18650, but requires optimized cooling in high-power applications |
3.3 Custom Form Factors
We offer bottom tube batteries, inner tube batteries, folding bike batteries, rack-mounted batteries, middle tube batteries, seat post batteries, and dual batteries.
4. Smart Battery Management Systems (BMS)
Every Yizhan e-bike battery can be equipped with an intelligent Battery Management System that ensures:
Overcharge and over-discharge protection.
Real-time voltage and current monitoring.
Communication with the e-bike’s control system via CAN, UART, or RS485 protocols.
5. Safety and Compliance
5.1 Manufacturing Standards
All battery packs are produced in an ISO9001-certified facility with:
Automated cell sorting and assembly.
Stringent quality inspections at every production stage.
5.2 Global Certifications
UN38.3 for safe air transportation.
UL 、 CE and RoHS for European compliance.
6. E-Bike Market Trends Driving Battery Requirements
6.1 Extended Range
Urban commuters now expect 50–100 km per charge, requiring higher capacity without increasing battery weight.
6.2 Fast Charging
Yizhan offers 2–4 hour fast-charging solutions to meet consumer expectations for minimal downtime.
6.3 Durability for All Conditions
Weather-resistant designs with IP65+ waterproofing ensure reliability in rain, snow, and dust.
7. Case Study: Helping an EU E-Bike Brand Scale Production
In 2024, a European e-bike manufacturer approached Yizhan to replace their existing battery supplier. The client needed:
48V / 17.5Ah packs for cargo e-bikes.
IP65 waterproofing for all-weather deliveries.
Compliance with new EU Battery Regulation (EU) 2023/1542.
Yizhan developed a custom NCM pack with a smart BMS, passed all compliance tests, and delivered 5,000 units in three months — enabling the client to launch in time for peak season.
8. Global Logistics and After-Sales Support
Shipping lithium batteries internationally can be complex. Yizhan ensures:
Certified packaging for sea, air, and rail transport.
Technical training for assembly line integration.
About Dongguan Yizhan Electronics Technology Co., Ltd.
Dongguan Yizhan Electronics Technology Co., Ltd. specializes in the design, manufacture, and sustainability, Yizhan serves as a trusted partner for mobility brands worldwide.