Shanshan (Kunshan Shanshan Electronic Technology Co., Ltd.) is not just another battery accessory supplier in China. Founded in 1998, this company has grown to become the world’s largest e-bike lithium battery case manufacturer, with over 26 years of expertise in designing and producing high-quality battery housings for the electric mobility industry.
Company Profile: From Local Factory to Global Leader
Located in Kunshan, Jiangsu Province—strategically positioned just 30 minutes from both Shanghai and Suzhou—Shanshan benefits from excellent logistics connectivity to major ports and markets. This advantageous location has been instrumental in their ability to serve customers across Japan, Europe, North America, and beyond.
Scale and Reach
- 1,071+ domestic and international customers worldwide
- Products exported to Japan, Europe, USA, and other major markets
- Recognized as a National High-Tech Enterprise by the Chinese government
- Holder of multiple national invention patents
Product Line: Comprehensive E-Bike Battery Housing Solutions
Shanshan offers one of the most extensive product lines in the e-bike battery case industry. Their battery housings are designed to accommodate various bike frame types and battery configurations:
Battery Case Types
| Type | Application | Description |
|---|---|---|
| Downtube Battery Case | Frame-integrated | Mounts inside the bike’s down tube for a sleek, hidden look |
| Intube Battery Case | Internal frame | Designed to fit inside the main tube of the bike frame |
| Rack Battery Case | Rear carrier | Mounts on the rear luggage rack for easy removal |
| Mid-tube Battery Case | Central frame | Positioned in the middle section of the frame |
| Seatpost Battery Case | Seat tube mount | Attaches to the seat post area |
Cell Compatibility
All Shanshan battery cases support both industry-standard cylindrical battery cells:
- 18650 cells – The most widely used format for e-bike batteries (18mm diameter × 65mm length)
- 21700 cells – The newer, higher capacity format (21mm diameter × 70mm length)
This flexibility allows battery pack manufacturers like Flion Power to customize solutions based on customer requirements for capacity, weight, and power output.
Quality Assurance: Rigorous Testing at Every Stage
What sets Shanshan apart is not just their production capacity, but their unwavering commitment to quality. Every battery case undergoes comprehensive testing to ensure it meets international safety standards:
Testing Procedures
- Raw Material Inspection – All incoming materials are tested for composition and structural integrity before entering production
- Strength and Pull Test – Battery cases must withstand specified tensile forces to ensure structural soundness
- High and Low Temperature Testing – Products are tested across extreme temperature ranges (-20°C to +60°C) to ensure performance in all climates
- Waterproof Testing – IP rating verification to guarantee water resistance for outdoor riding conditions
- Drop Test – Simulated real-world impacts to ensure battery case integrity during use
This rigorous quality control process ensures that every Shanshan battery case that leaves the factory is capable of protecting the precious lithium battery cells inside.
Our Partnership: Why Flion Power Chooses Shanshan
At Flion Power, we specialize in designing and manufacturing high-quality lithium battery packs for electric bicycles and other applications. After extensive evaluation of battery case suppliers worldwide, we selected Shanshan as our primary battery housing partner for several compelling reasons:
Why We Trust Shanshan
✓ 26+ Years of Experience – Their deep expertise in battery case design translates to optimized solutions
✓ Superior Build Quality – Rigorous testing ensures reliability our customers demand
✓ Competitive Pricing – As the largest manufacturer, they achieve economies of scale
✓ Flexible Customization – Ability to modify designs for specific customer requirements
✓ Stable Supply Chain – Production capacity to meet large orders consistently
✓ Technical Support – Responsive engineering team for product development collaboration
Our Shanshan-Powered Battery Products
Flion Power offers a comprehensive range of e-bike lithium battery packs featuring Shanshan battery cases:
Hailong Series – The classic downtube design, one of Shanshan’s most popular battery case styles
- Hailong 36V Battery – Perfect for city commuters
- Hailong 48V Battery – Extended range for daily riding
Silver Fish Series – Sleek and compact design
- Silver Fish 36V Battery – Compact design for urban e-bikes
Custom configurations available for OEM/ODM projects – Contact us for your specific requirements
Why Choose E-Bike Batteries with Shanshan Cases?
When you’re selecting a lithium battery for your electric bike, the battery case matters more than you might think:
Protection
The battery case is your battery’s first line of defense against impacts, water, dust, and temperature extremes. Shanshan’s proven designs have been field-tested by millions of riders worldwide.
Compatibility
Shanshan cases are engineered to fit standard e-bike frame mounts, making installation straightforward. Their standardized mounting points work with most motor systems.
Aesthetic Integration
Modern e-bike design emphasizes clean lines and hidden batteries. Shanshan offers cases designed for invisible integration within the bike frame, maintaining the bike’s original aesthetic.
Long-Term Value
A quality battery case extends the life of your entire battery system by protecting cells from physical damage and environmental factors.
Conclusion
Shanshan represents the gold standard in e-bike battery case manufacturing. With their combination of scale, quality, and innovation, they have earned their position as the world’s largest manufacturer. At Flion Power, we’re proud to partner with Shanshan to deliver reliable, high-performance lithium battery solutions to our customers worldwide.
When you choose a Flion Power battery pack with a Shanshan case, you’re not just buying a battery—you’re investing in 26+ years of manufacturing excellence and the combined expertise of two industry leaders.
Frequently Asked Questions (FAQ)
Q: What is the warranty period for Shanshan battery cases?
A: Shanshan battery cases themselves carry a standard warranty. For specific warranty terms on complete battery packs, please contact Flion Power directly.
Q: Can Shanshan cases be customized for unique bike frame designs?
A: Yes, Shanshan offers customization services for OEM customers. We can work with you to develop unique battery housing solutions for specific applications.
Q: What voltage options are available with Shanshan battery cases?
A: Shanshan cases support various configurations from 24V to 72V systems, accommodating both 18650 and 21700 cell formats.
Q: Are Shanshan battery cases waterproof?
A: Yes, Shanshan battery cases undergo rigorous waterproof testing. Most models meet IP65 or higher ratings for water resistance.
Q: What is the minimum order quantity (MOQ) for custom Shanshan battery cases?
A: MOQ varies by product type and customization requirements. Contact Flion Power for detailed MOQ information on specific products.
Q: Does Flion Power offer assembly services using Shanshan cases?
A: Absolutely. Flion Power provides complete battery pack assembly services, combining Shanshan battery cases with premium battery cells (Samsung, LG, Panasonic) and intelligent BMS systems.
This article was written to introduce Shanshan Electronic Technology Co., Ltd. and our partnership. For the most up-to-date product information, please visit our website or contact us directly.
