52V 17.5Ah Hailong Down‑Tube Lithium Battery – High-Capacity Ebike Battery for 1000W Motor
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.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.