- Connection: Others
- Nominal Capacity: 468Wh-1040Wh
- Weight: 4.5kg
- Voltage: 36V/48V/52V
- Application: MOBILE PHONE,Game Console,Electric Bicycle,Power Tool
- Model Number: Downtube/Rear Rack Battery
- Type: Li-Ion
- Brand Name: varstrom
- Certification: CE
- Origin: Mainland China
- Rated Voltage: Others
- 36V13Ah Hailong Battery: Grade A 18650 2600mah 10s5p 50PCS (2A Charger)
- 36V15.6Ah Hailong Battery: Grade A 18650 2600mah 10S6P 60PCS (4A Charger)
- 36V24Ah Hailong MAX Battery: L-G 21700 4800mah 10s5p 50PCS (4A Charger)
- 36V20.8Ah Rear Rack Battery: Grade A 18650 2600mah 10S8P 80PCS (4A Charger)
- 48V 13Ah Hailong Battery: Grade A 18650 2600mah 13S5P 65PCS (2A Charger)
- 48V 20Ah Hailong MAX Battery: Sa-m*sung 21700 5000mah 13S4P 52PCS (4A Charger)
- 48V 20Ah VoltzX Battery: Sa-m*sung 21700 5000mah 13S4P 52PCS (4A Charger)
- 48V 17.5Ah Rear Rack Battery: Grade A 18650 2600mah 13S7P 91PCS (4A Charger)
- 52V 20Ah Yingwu Battery: Sa-m*sung 21700 5000mah 14S4P 56PCS (3A Charger)
- Cycle Life: 1000+ times
- Charing Current: 2A – 4A
- Charge Temperature: 0-45℃
- Discharge Temperature: -15-65℃
- Way of Charge: CC/CV
- Warranty: 1 Year
- Maintain Point: UK/France / Poland / Spain
- Delivery Time: 1 – 7 Day
- Protection Function: Over charge, Over discharge, Over current, Short circuit, Balance,Over charge, Over discharge, Over current, Short circuit, Balance
Varstrom x Hailong
E-Bike Battery
Core Advantages
🔋 Extended Range
· High capacity cells: Choose 960Ah, 110 kilometers per charge+range*
· Premium 18650/21700 Cells: 1,000+ charge cycles
· Universal downtube mounting (verify frame clearance)
⚡ BAFANG/Tongsheng Compatibility
✔ Mid-drive/hub motors
✔ 36V/48V/52V conversion kits
✔ Default XT60 port
🛡️ 7-Layer Safety
· Overcurrent/voltage/discharge protection
· Short-circuit & temperature control
· Key-locked theft prevention
🔌 Smart Features
· Removable design (charge anywhere)
· LED charge indicator
· Hailong/Rear Rack Battery fast-charge XLR charger included
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Specifications Table
Parameter Detail
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Voltage 36V/48V/52V
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Capacity 13Ah/17.5Ah/19.2Ah/20Ah/22.5Ah/24Ah
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Weight About 4.5kg
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Certifications CE/UL
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Hailong-Lithium Battery
Hailong G80-Lithium Battery
Yingwu+Voltz X-Lithium Battery
Rear Rack-Lithium Battery
Bafang CAN BUS – Communication Protocol 48V20Ah Battery
Smarter Power, Enhanced Safety
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CAN Protocol Essentials
🔌 Industrial-Grade Communication
· Multi-Device Coordination: Enables direct communication between battery, motor, and display.
· Automotive Heritage: Robust protocol used in vehicles/aerospace for critical systems.
Intelligent Battery Management
⚡ Real-Time Control
· BMS Synchronization: Monitors voltage, current, temperature, and State of Charge (SOC) 100x/sec.
· Adaptive Charging: Auto-adjusts voltage/current based on battery status.
🛡️ Proactive Protection
· Instant shutdown during faults (over-voltage, over-current, overheating).
· Event logging for diagnostics and performance optimization.
Key Advantages
✅ Reliability
· Error-resistant data transmission (even in high-interference environments).
· Continuous system health monitoring.
✅ Compatibility
· Seamless integration with CAN-enabled BAFANG drives (e.g., M315/M615).
· Standardized connectivity for future upgrades.
✅ Longevity
· Prevents cell imbalance → 20% longer lifespan vs. basic batteries.
· Optimizes discharge cycles for maximum range.
Technical Summary
FeatureImpact
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BMS Communication Live performance tuning
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Charger Control Precision charging cycles
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EMI Resistance Stable operation in noisy electrical environments
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Data Logging Predictive maintenance insights
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*Compatible with CAN displays (EKD01/DPC010/DPC080/VD04). IP65 waterproof. EU/UK warehouse stock.*
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Why This Matters
CAN BUS transforms batteries from power sources into smart system controllers – boosting safety, range, and component synergy.

🔹POWER SYSTEMS
Battery Architectures:
✓ Hailong/Max Frame-Integrated
✓ Rear Rack-Mounted
Technical Specifications:
• Voltage: 36V/48V/52V
• Capacity: 13Ah-20Ah
🔹Compatibility Guidelines:
36V motor compatible with 36V battery
48V motor compatible with 48V/52V battery
52V motor compatible with 52V battery










Battery Packing List📝:
1 pc Battery (Optional)
1 pc Battery Charger
1 pc Battery Manual
1 pc XT60 Port Motor Battery Connector Cable
1 set of Screws
1 set Rar Bracket(Only for Rear Rack Battery)
1 pc Backup Battery Fuse(Only for Rear Rack Battery)
2 pcs Battery Keys
Global Warehouse & Service Commitment
Our Commitment to You
🔹 Delivered Duty Paid(DDP)Assurance
For customers in the following countries, all taxes and import duties are pre-paid by us, ensuring a hassle-free delivery experience:
France, Spain, Netherlands, Italy, Bulgaria, Belgium, Latvia, Poland, Denmark, Finland, Portugal, Sweden, Slovakia, Slovenia, Greece, Hungary, Czech Republic, Lithuania, Luxembourg, Romania, Ireland, Estonia, Croatia.
🔹 Rapid, ReliableDelivery
Your order will be dispatched from our nearestEU or UKwarehouse for lightning-fast transit. Most deliveries arrive within2–7business days (excluding remote regions).
Note:For logistical reasons, we currently cannot deliver to island addresses. If your location is on an island, kindly provide an alternative mainland address during checkout.
🔹 ComprehensiveWarranty& Support
Motor & Battery:12months quality warranty for motor and battery
Accessories & Parts:30-daywarranty for quality assurance.
Local Expertise:Our network of certified service centers across the EU and UK ensures prompt repairs and support.























































































































































































































































































































































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