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

Installation & Usage Instructions

1. Align the battery rail with the frame’s down-tube holes and secure it with the included lock.

2. Follow the user manual for initial charging; avoid overcharging or overdischarging.

3. When not in use, remove the battery and store it in a dry, cool, and ventilated area.

4. 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.