ShenZhen Longtiger Technology Co., Ltd.
| Payment Terms | L/C,D/P,T/T,Western Union |
| Supply Ability | 3000 sets per month |
| Delivery Time | 10-15 work days |
| Packaging Details | Carton |
| Product name | Hailong electric battery pack |
| Nominal Voltage | 52V |
| Nominal Capacity | 17.5ah |
| Color | Black |
| Battery type | 21700 Battery Cells |
| Battery Position | Down Tube |
| Warranty | 1year |
| OEM/ODM | support |
| Brand Name | Longtiger |
| Model Number | Hailong |
| Certification | CE，UN38.3，MSDS Report |
| Place of Origin | Guangdong，China |
View Detail Information
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Product Specification
| Payment Terms | L/C,D/P,T/T,Western Union | Supply Ability | 3000 sets per month |
| Delivery Time | 10-15 work days | Packaging Details | Carton |
| Product name | Hailong electric battery pack | Nominal Voltage | 52V |
| Nominal Capacity | 17.5ah | Color | Black |
| Battery type | 21700 Battery Cells | Battery Position | Down Tube |
| Warranty | 1year | OEM/ODM | support |
| Brand Name | Longtiger | Model Number | Hailong |
| Certification | CE，UN38.3，MSDS Report | Place of Origin | Guangdong，China |
| High Light | Hailong Lithium Battery 17.5ah ，1000W Ebike Hailong Lithium Battery ，Hailong Downtube Battery 52v | ||
52V 17.5Ah Hailong Down‑Tube Lithium Battery – High-Capacity Ebike Battery for 1000W Motor
Product Overview
This 52V 17.5Ah Hailong Down‑Tube lithium battery is designed for 800–1000W ebike motors, providing strong power and long-lasting range. Its down-tube design fits most bike frames, with included rail and lock for easy installation and removal. High-performance 21700 / 18650 cells and a built-in BMS ensure safety and reliability, ideal for commuting, long rides, or DIY ebike upgrades.
Key Selling Points
High Capacity & Long Range: 52V 17.5Ah battery delivers stable power for long rides and hill climbing.
Wide Compatibility: Down-tube design fits most frames; comes with rail and lock for easy installation and removal.
Safe & Reliable: Built-in BMS with overcharge, over-discharge, short circuit, and overheat protection; CE / UN38.3 / MSDS certified.
High-Performance Cells: Uses 21700 / 18650 lithium cells for stable output and high discharge, supporting 1000W motors.
Versatile Applications: Perfect for commuting, city riding, mountain trails, DIY upgrades, and OEM/B2B orders.
Specifications
| Parameter | Specification |
|---|---|
| Nominal Voltage | 52V |
| Capacity | 17.5Ah |
| Battery Type | 21700 / 18650 Lithium-ion |
| Built-in Protection | BMS with overcharge / over-discharge / short circuit / overheat protection |
| Compatible Motor Power | 800–1000W |
| Charging Current | 2–5A |
| Standard Charge Time | 3–8 hours |
| Cycle Life | 500–1000 cycles |
| Operating Temperature | Charging: 0–45℃; Discharging: –10–60℃ |
| Mounting | Down-Tube (water bottle holder position) |
| Shell Color | Black |
| Lock | Included rail and lock for secure installation |
Installation & Usage Instructions
Align the battery rail with the frame’s down-tube holes and secure it with the included lock.
Follow the user manual for initial charging; avoid overcharging or overdischarging.
When not in use, remove the battery and store it in a dry, cool, and ventilated area.
Avoid high temperatures, impacts, or pressure to prolong battery life.
Recommended Use Cases
Ebike upgrades and DIY conversions
Daily commuting and city riding
Medium-distance trips and hill climbs
OEM / B2B bulk orders and replacements
FAQ
Q1: What motor power is this battery suitable for?
A1: Recommended for 800–1000W motors, also compatible with lower-power motors.
Q2: How long does it take to charge?
A2: Standard charging takes 3–8 hours, depending on the charger’s current.
Q3: What is the battery’s lifespan?
A3: Approximately 500–1000 full charge/discharge cycles.
Q4: Can it be used in rainy conditions?
A4: The battery is splash-resistant but not fully waterproof. Avoid water exposure or washing.
Q5: Is it suitable for OEM or bulk B2B orders?
A5: Yes, packaging and quantity can be customized to support bulk orders.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2009
Total Annual:
500-1000
Employee Number:
10~300
Ecer Certification：
Verified Supplier
Shenzhen Longtiger Technology Co., Ltd. was established in September 2009 and is committed to providing customers with "safe, reliable and excellent" integrated one-stop battery product services. The main business covers the research and development, production and sales of polymer lithium-ion batte... Shenzhen Longtiger Technology Co., Ltd. was established in September 2009 and is committed to providing customers with "safe, reliable and excellent" integrated one-stop battery product services. The main business covers the research and development, production and sales of polymer lithium-ion batte...
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