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
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High Capacity & Long Range: 52V 17.5Ah battery delivers stable power for long rides and hill climbing.
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Wide Compatibility: Down-tube design fits most frames; comes with rail and lock for easy installation and removal.
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Safe & Reliable: Built-in BMS with overcharge, over-discharge, short circuit, and overheat protection; CE / UN38.3 / MSDS certified.
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High-Performance Cells: Uses 21700 / 18650 lithium cells for stable output and high discharge, supporting 1000W motors.
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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
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Align the battery rail with the frame’s down-tube holes and secure it with the included lock.
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Follow the user manual for initial charging; avoid overcharging or overdischarging.
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When not in use, remove the battery and store it in a dry, cool, and ventilated area.
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Avoid high temperatures, impacts, or pressure to prolong battery life.
Recommended Use Cases
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Ebike upgrades and DIY conversions
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Daily commuting and city riding
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Medium-distance trips and hill climbs
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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.
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52V 17.5Ah Hailong Down‑Tube Lithium Battery – High-Capacity Ebike Battery for 1000W Motor Images
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