36V / 48V / 52V 17.5Ah / 20Ah / 25Ah High-Capacity Lithium Battery Pack For 750W–1200W Electric Bikes

36V / 48V / 52V 17.5Ah / 20Ah / 25Ah High-Capacity Lithium Battery Pack for 750W–1200W Electric Bikes

Product Overview

This high-capacity lithium battery series is built with premium 18650/21700 cells and designed specifically for 750W–1200W mid- and high-power electric bike motors. It delivers stable discharge performance, long cycle life, and enhanced safety—ideal for B2B buyers who require reliable quality, consistent supply, and customizable OEM/ODM options.

We support full customization, including voltage, capacity, casing, connectors, charging ports, logos, private label, and project-based battery solutions.

Key Features 

1. Multiple Voltage & Capacity Options

• 36V / 48V / 52V

• 17.5Ah / 20Ah / 25Ah
  Suitable for long-range commuter bikes, mountain e-bikes, and cargo e-bikes.

2. A-Grade Lithium Cells

• Samsung, LG, or premium Chinese cells available

• Low internal resistance & excellent consistency
  Ensures stable power output under heavy load.

3. Strong Performance for 750W–1200W Motors

• High discharge rate

• Fast acceleration

• Stable output for climbing & long-distance riding
  Perfect for commercial fleets and power-demanding e-bikes.

4. Advanced BMS Protection

Built-in smart BMS provides:

• Overcharge / over-discharge protection

• Short circuit & overcurrent protection

• Temperature monitoring

• Cell balancing
  Ensures long-term safety and reliability.

5. Durable Housing & Flexible Charging Compatibility

• Rugged ABS+PC casing

• Water-resistant design

• Compatible with 42V / 54.6V / 58.8V chargers (depending on model)

6. OEM/ODM & Stable Mass Production

• Fast sampling: 3–7 days

• Mass order lead time: 15–25 days

• Full export documents & certifications
  Ideal for brand owners, e-bike factories, and distributors.

Applications

Suitable for:

• 750W–1200W electric bikes

• Delivery e-bike fleets

• Mountain & off-road e-bikes

• Urban commuter e-bikes

• Cargo & utility bikes

• Battery replacement & upgrade projects

Quality & Manufacturing

• Certified with UN38.3 / MSDS / CE / RoHS

• 100% aging test before shipment

• Laser-welding process for strong conductivity

• Complete traceability and batch control
  Ensures long-term business cooperation with stable quality.

Technical Specifications

B2B Purchasing & Cooperation

We support:

• Bulk orders for brands and factories

• OEM customization for e-bike manufacturers

• Customized connectors & BMS current settings

• Long-term supply chain cooperation

• One-stop export support (air/sea shipping)

Documents available:

• COA / MSDS / UN38.3

• PI & packing list

• Battery test reports

• OEM project files

FAQ

Q1: Is this battery compatible with my 750W–1200W motor?

Yes. It supports most rear hub and mid-drive motors including Bafang, MXUS, and other common models.

Q2: Do you support OEM customization?

Yes. We offer custom voltage, casing, connectors, BMS current, labels, and branding.

Q3: What is your production lead time?

Samples: 3–7 days

Mass production: 15–25 days

Q4: Can you provide certification documents?

Yes—UN38.3, MSDS, CE, RoHS are available.

Q5: Do you offer chargers?

Yes, optional 2A / 3A / 5A chargers.