3.7V Cylindrical Li-ion Battery Module | Custom 50Ah/20Ah/10Ah High-Capacity Pack

High-capacity 3.7V cylindrical Li-ion (NMC) battery modules. Custom capacities from 4Ah to 50Ah. Ideal for golf carts, EVs & wheelchairs. CE, UN38.3 certified. Get a quote!

PRODUCT DETAILSGet a Bulk Quote

Product Overview

This high-capacity cylindrical Lithium-ion (NMC) battery module offers a reliable, rechargeable power solution for demanding applications such as electric vehicles, golf carts, and mobility scooters.

Built with a nominal voltage of 3.7V, it is available in customizable capacities ranging from 4Ah up to 50Ah to suit different power requirements. Featuring a wide operating temperature range and support for flexible OEM/ODM configurations, it is a highly scalable power source for various commercial and industrial projects.


Key Features

  • Highly Customizable Capacity: Available in 4Ah, 6Ah, 8Ah, 10Ah, 20Ah, and 50Ah options to precisely match your energy and runtime demands.
  • Stable NMC Chemistry: Utilizes Lithium Nickel Manganese Cobalt Oxide for a good balance of energy density, power output, and thermal stability.
  • Scalable Configuration: Supports series/parallel configurations (up to 32 cells maximum load) to build higher voltage or capacity battery packs.
  • International Certifications: Fully certified with CE, UN38.3, KC, BIS, and PSE, ensuring compliance and safe global shipping.
  • Wide Operating Temperature: Reliably operates in extreme environments ranging from -20°C to 60°C.

Applications

Designed as a versatile power module for:

  • Mobility & Recreation: Golf carts, electric wheelchairs, and mobility scooters.
  • Transportation: Electric bikes, low-speed electric vehicles, and marine equipment (boats).
  • Custom Power Systems: Suitable for integration into customized battery packs for various industrial equipment.

Technical Specifications

Parameter

Specification

Product Type

Cylindrical Li-ion Battery Module

Model / Form Factor

18650-based Module

Nominal Voltage

3.7V

Nominal Capacity Options

4Ah / 6Ah / 8Ah / 10Ah / 20Ah / 50Ah

Battery Chemistry

NMC (Nickel Manganese Cobalt)

Cycle Life

500 Cycles

Max Series Configuration

Up to 32 Units

Operating Temperature

-20°C ~ 60°C

Single Cell Weight

Approx. 65g (varies by capacity)

Warranty

12 Months


Certifications

Fully tested and compliant with major international standards for safety, transport, and market access:

  • CE (European Conformity)
  • UN38.3 (Safe transport of lithium batteries)
  • KC (Korea Certification)
  • BIS (Bureau of Indian Standards)
  • PSE (Product Safety Electrical Appliance & Material - Japan)

Customization & OEM/ODM Services

We support comprehensive customization to meet your specific assembly requirements:

  • Light Customization: Custom capacities and packaging for standard models.
  • Drawing-based Customization: Build modules according to your precise dimensional and electrical drawings.
  • Sample-based Customization: Replicate or improve upon your provided physical samples.
  • On-demand Customization: Private labeling and specific parameter tuning for large-scale projects.

FAQ

Q1: What capacities can you provide?
A: We offer standard options including 4Ah, 6Ah, 8Ah, 10Ah, 20Ah, and 50Ah. Custom capacities can be discussed for bulk orders.

Q2: Can these modules be connected in series to get a higher voltage?
A: Yes. You can configure up to 32 units together depending on your target voltage and capacity. Please ensure a compatible BMS (Battery Management System) is used.

Q3: Do you support OEM/ODM?
A: Absolutely. We support light customization, drawing-based customization, and full private labeling for our B2B clients.

Q4: What certifications are included?
A: Our battery modules are certified with CE, UN38.3, KC, BIS, and PSE to ensure safety and facilitate smooth international logistics.


Request a Quote

Looking for highly customizable cylindrical Li-ion modules for your EV or mobility project?

Send us your required voltage, target capacity (Ah), physical dimensions, and target quantity. Our engineering team will provide the best configuration and a fast quotation.

Send Your Inquiry Today

3.7V Cylindrical Li-ion Battery Module | Custom 50Ah/20Ah/10Ah High-Capacity Pack

Send Your Inquiry Today

Tell us about your application and requirements. Our team will review your request.