In recent years, electric bicycles have quietly shifted from recreational gadgets to essential daily transportation tools. Whether commuting through busy urban streets, delivering goods, or enjoying long-distance leisure rides, e-bikes are now deeply embedded in modern mobility ecosystems.
However, as usage frequency increases, one challenge continues to shadow riders: range anxiety.
Much like a smartphone running low on battery at the worst possible moment, an e-bike with insufficient power can disrupt schedules, reduce efficiency, and limit travel freedom. Riders are constantly balancing performance with battery capacity, often forced to compromise between weight and range.
This is exactly where dual battery solutions emerge as a game-changing innovation.

A Smarter Approach: Dual Battery Systems for Extended Range
Dongguan Yizhan Electronics Technology Co., Ltd. has developed an advanced dual battery solution designed to eliminate range anxiety while maintaining optimal performance and flexibility.
By integrating two independent battery systems into one seamless power architecture, users can significantly extend riding distance without sacrificing riding experience.
Core Configuration:
- Internal Tube Battery (Primary Power Source)
- Down Tube Bottle-Type Battery (Auxiliary Power Source)
This combination creates a dynamic energy system that feels less like a limitation—and more like a запас energy reservoir quietly working in the background.
EN50604 Certified: Safety Meets Performance
Safety is the foundation of any reliable e-bike battery system. Our dual battery solutions are fully compliant with EN50604 certification, a stringent European safety standard specifically designed for light electric vehicle batteries.
This certification ensures:
- High-level electrical safety
- 機械的耐久性
- Thermal stability under demanding conditions
- Reliable performance across varied environments
In short, it’s not just more power—it’s trusted power.
Internal Tube Battery: Seamless Integration
The internal tube battery is designed to fit neatly within the bike frame, offering:
- Clean and integrated aesthetics
- Balanced weight distribution
- Protection from external elements
It serves as the primary energy source, delivering stable and continuous output for everyday riding scenarios.
Exclusive Innovation: Lightweight Bottle Battery
The highlight of this dual system is our independently developed down tube bottle-type battery, a unique innovation by Dongguan Yizhan Electronics Technology Co., Ltd.
主な利点
1. Lightweight Design
Unlike traditional external batteries, this bottle battery is engineered to be exceptionally lightweight, minimizing additional load while maximizing usability.
2. Flexible Mounting
Designed to fit standard bottle cage positions, it can be easily installed or removed, making it ideal for:
- Long-distance rides
- Battery swapping scenarios
- On-demand power extension
3. Multi-Functional Power Output
This is not just an e-bike battery—it’s a portable energy hub.
The bottle battery supports:
- Smartphone charging
- Laptop charging
- Other USB-powered devices
Imagine riding through the city while your devices quietly recharge—turning your e-bike into a moving power station.
Intelligent Power Management System
Our dual battery solution is supported by an advanced Battery Management System (BMS) that ensures:
- Smooth switching between batteries
- Balanced discharge for extended lifespan
- 過充電、過放電、短絡保護
- Real-time monitoring of battery status
The system works silently in the background, like an invisible conductor orchestrating energy flow with precision.
Application Scenarios
This dual battery system is ideal for a wide range of use cases:
Urban Commuting
No more worrying about running out of power mid-journey. Ride confidently across the city.
Delivery & Logistics
Extend operational hours without frequent recharging, improving efficiency and reducing downtime.
Long-Distance Touring
Perfect for riders who crave exploration without limits.
Outdoor & Emergency Use
With its ability to charge external devices, the bottle battery becomes a reliable backup power source in outdoor or emergency situations.
Why Choose Dongguan Yizhan Electronics Technology Co., Ltd.?
With years of experience in lithium battery innovation, Dongguan Yizhan Electronic Technology Co., Ltd. is committed to delivering:
- Customized battery solutionsfor diverse applications
- Strict quality control systems
- Global certification compliance
- Continuous R&D innovation
Our dual battery solution reflects not just engineering excellence, but a deep understanding of real-world user needs.
Conclusion: Ride Further, Worry Less
Range anxiety doesn’t have to be part of the e-bike experience.
With Dongguan Yizhan’s EN50604-certified dual battery solution, riders gain the freedom to go further, ride longer, and stay connected wherever they are.
It’s not just about adding another battery.
It’s about redefining what your e-bike can do.
お問い合わせ
Looking for a reliable dual battery solution for your e-bike projects?
Get in touch with Dongguan Yizhan Electronics Technology Co., Ltd. today to explore customized options tailored to your needs.
