21700 Lithium-ion Battery Pack for Portable Equipment
2026-09-15
21700 Lithium-ion Battery Pack for Portable Power Equipment
A high-capacity cylindrical lithium-ion battery pack developed for portable power equipment and rechargeable devices.
Customer Requirement
A portable power equipment manufacturer required a rechargeable battery pack with higher energy capacity and reliable discharge performance. The battery needed to provide stable power while fitting within the limited space of the equipment.
Our Battery Solution
We developed a customized 21700 lithium-ion battery pack according to the equipment's voltage, capacity, operating time, and power requirements. The cell configuration, BMS, connector, cable, and battery pack structure were customized to match the customer's design.
Battery Specifications
| Battery Type | 21700 Lithium-ion Battery |
| Cell Type | 21700 Cylindrical Lithium-ion Cell |
| Nominal Voltage | Customized |
| Capacity | Customized |
| Configuration | Customized Series & Parallel Configuration |
| BMS | Customized Battery Management System |
| Connector | Customized |
| Battery Structure | Customized Battery Pack Design |
| Application | Portable Power Equipment |
Testing & Validation
Charging Test
Charging performance was tested according to the battery pack requirements.
Discharge Test
Discharge performance was verified under the required operating conditions.
BMS Protection Test
Battery management and protection functions were tested according to the application requirements.
Device Compatibility
The battery pack was tested for compatibility with the customer's portable power equipment.
Project Result
The customized 21700 battery pack successfully met the customer's requirements for capacity, power performance, and installation space, and passed the prototype testing stage.
Need a Custom 21700 Battery Pack?
Tell us your voltage, capacity, dimensions, discharge requirements, and application. Our engineering team can help develop a suitable cylindrical lithium-ion battery solution.
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