Product Solutions

Custom Cylindrical Lithium Battery Packs

Our cylindrical lithium battery range covers 18650 and 21700 cells, custom series-parallel pack layouts, high-rate designs and smart BMS integration for industrial and consumer applications.

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Custom Cylindrical Lithium Battery Packs

Key Advantages

A-grade 18650 and 21700 lithium-ion cells
Series and parallel pack design for custom voltage and capacity
High-rate discharge options for tools and mobility
Smart BMS, protection board and wiring customization
Support for UN38.3, MSDS, CE and RoHS documentation

Typical Applications

Power tools
E-bikes, scooters and light electric mobility
Portable power and backup devices
Robot vacuums and service robots
Industrial equipment and outdoor lighting

Technical Range

Cell Formats: 18650 / 21700 and custom pack formats
Voltage: 3.7V single cell to custom high-voltage packs
Capacity: 1,500mAh to 50Ah+ pack designs
Cycle Life: 800+ cycles, depending on cell and design
Customization: BMS, nickel strip, wiring, connector and housing

Buyer Guide

How to Choose Custom Cylindrical Lithium Battery Packs

Cylindrical lithium battery packs use formats such as 18650 and 21700 for stable capacity, high consistency and efficient series-parallel pack design. They are widely used in power tools, robotics, e-mobility, industrial electronics and outdoor devices.

What is the difference between 18650 and 21700 cells?+

21700 cells are larger and usually provide higher capacity per cell, while 18650 cells are mature, widely available and useful for compact pack layouts.

Can you build 3S2P, 4S2P or other custom cylindrical packs?+

Yes. We design cylindrical battery packs with series-parallel configurations, BMS protection, nickel strip welding, wiring, connectors and housing options.

Which applications use cylindrical lithium battery packs?+

Common applications include power tools, handheld terminals, mobility devices, robotics, POS systems, outdoor equipment and industrial rechargeable devices.

Available Models