Product Specification

Hailong 36V/48V 18650 Ebike Lithium Battery – 13Ah/15Ah/17.5Ah For 250W–750W Motors

 High-Converting Product Overview

The Hailong 18650 Lithium Battery Series is engineered for professional electric bicycle manufacturers, distributors, and aftermarket integrators seeking a stable, long-life, and OEM-ready battery solution.

Available in 36V (10S) and 48V (13S) systems with 13Ah, 15Ah, and 17.5Ah capacity options, this battery pack delivers consistent discharge performance, high energy density, and long operational lifespan—making it suitable for mainstream 250W–750W ebike power systems.

Each pack is assembled with high-grade 18650 cells, precision capacity grouping, and an upgraded intelligent BMS, ensuring excellent safety, longer cycle life, and strong compatibility across various ebike models. Ideal for mass production, fleet use, commercial delivery bikes, or high-demand upgrade projects.

 Key Selling Points

1. Automotive-Grade 18650 Cells

• High energy density, low internal resistance

• Stable voltage output & low heat generation

• Cell consistency controlled through multi-stage sorting

• Supports continuous high-current discharge for 250W–750W motors

2. Multiple Capacity Options for Different Market Needs

• 13Ah – cost-effective daily commuting

• 15Ah – balanced performance and range

• 17.5Ah – long-range riding & commercial delivery usage

3. Wide Compatibility with Hailong-Style Down Tube Mounts

• Fits most OEM ebike frames using Hailong mounts

• Ideal for replacement, fleet upgrades, and DIY markets

4. Smart BMS with Enhanced Protection

• Over-charge / over-discharge protection

• Short-circuit & over-current protection

• Cell balancing for longer pack lifespan

• Optional temperature protection

5. Rugged & Safe Housing Design

• ABS+PC reinforced shell

• Internal cell-holder structure to reduce vibration damage

• Water-resistant design up to IPX4

• Secure slide-in rail system with lock (optional)

6. Suitable for Multiple Applications

• City commuter ebikes

• Mountain / trekking ebikes

• Delivery & fleet bikes

• DIY conversions & aftermarket replacements

7. Full OEM/ODM Support for B2B Buyers

• Customizable voltage, capacity, BMS settings

• Cell brand customization (Chinese brands / imported brands)

• Logo, label, packaging customization

• Supports large-scale production & stable supply chain

Technical Specifications

Procurement Advantages

• Stable monthly production capacity for bulk orders

• Strict incoming material inspection (cell testing, IR matching, voltage sorting)

• Professional PACK workshop with spot-welding QC

• Long-term supply for distributors & ebike manufacturers

• Fast sample delivery for testing & integration

• Customizable packaging & labeling for brand sellers

• Flexible MOQ for new market validation

FAQ

Q1: Can this battery fit most Hailong-style ebike frames?

Yes. It matches standard Hailong mounting rails and works with most 36V/48V controllers and motors.

Q2: What is the real-world riding range?

Depending on motor power and terrain:

• 13Ah: 35–45 km

• 15Ah: 45–55 km

• 17.5Ah: 55–70+ km

Q3: Can you support OEM/ODM for my ebike brand?

Yes. We offer custom BMS settings, labels, packaging, capacity selection, cell brand options, and more.

Q4: What is the battery’s expected lifespan?

Cycle life is typically 800+ full charge cycles, depending on usage habits.

Q5: Do you offer samples for testing?

Yes. Samples can be arranged before bulk orders.

Q6: Can it be used for high-power motors above 750W?

Not recommended; a higher-discharge battery pack would be more suitable for >750W motors.