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Custom Battery Solution

Custom Lithium Battery Pack Manufacturer

A&S Power is a professional custom lithium battery pack manufacturer specializing in OEM and ODM rechargeable battery solutions for global customers. We design, engineer, and manufacture high-performance lithium battery packs tailored to your product’s electrical, mechanical, and regulatory requirements.

Unlike standard off-the-shelf batteries, our custom lithium battery packs are developed to meet real-world application demands—whether for medical devices, industrial equipment, or advanced consumer electronics. From cell selection and BMS design to enclosure integration and certification support, we deliver reliable power solutions that help your products succeed in competitive markets.

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OEM & ODM Custom Lithium Battery Pack Solutions

Every application has unique power requirements. As an experienced OEM lithium battery manufacturer, A&S Power provides full customization across all critical parameters.

Battery Chemistry

Lithium-ion (Li-ion)
Lithium Polymer (LiPo)

Electrical Design

Nominal voltage and capacity
Charge & discharge current
Series / parallel configuration

Mechanical Integration

Custom enclosure design
Connector & cable selection
Labeling and branding support

Lithium Battery Pack with Advanced BMS Design

A battery pack is more than assembled cells. A&S Power designs lithium battery packs with intelligent BMS to ensure safety, performance, and long-term reliability.

Overcharge and over-discharge protection
Overcurrent and short-circuit protection
Temperature monitoring (NTC / multiple sensors)
Cell balancing for extended cycle life
SMBus, I²C, UART, CAN communication protocols

Custom Lithium Battery Packs for Medical, Industrial & OEM Applications

Medical Device Battery Packs

We manufacture custom battery packs for infusion pumps, patient monitoring systems, portable diagnostic devices, and rehabilitation equipment. Our medical battery packs support IEC 62133, UN38.3, and ISO 13485-related quality processes.

Industrial Lithium Battery Packs

Designed for automation equipment, robotics, AGV systems, portable industrial tools, and backup power applications with high discharge stability and rugged construction.

Consumer & IoT Battery Packs

Optimized LiPo battery packs for wearables, GPS trackers, smart sensors, and compact electronic devices requiring lightweight and space-efficient power solutions.

Certified and Compliant Lithium Battery Manufacturing

Compliance is built into every stage of our manufacturing process. We assist customers with documentation, testing, and certification preparation to reduce time-to-market risks.

UN38.3 transportation safety
IEC 62133 battery safety
CE and RoHS compliance
UL-related standards upon request

From Lithium Cell to Finished Battery Pack

A&S Power manages the complete battery pack development process to ensure consistent quality and performance.

Cell selection and qualification
Capacity grading and matching
Electrical and BMS design
Mechanical structure and insulation design
Assembly, welding, and aging
Final testing and quality inspection

Why Choose A&S Power as Your Battery Pack Manufacturer

Proven experience in custom lithium battery pack design
Strong engineering and quality control team
Support for prototypes, pilot runs, and mass production
Fast response for OEM and ODM projects
Long-term partnership mindset

Frequently Asked Questions

Can lithium battery packs be fully customized?

Yes. Voltage, capacity, shape, BMS functions, connectors, enclosure, and labeling can all be customized.

What is the difference between a lithium cell and a battery pack?

A lithium cell is a single energy unit, while a battery pack includes multiple cells, BMS, wiring, and safety protection.

Do you support small batch or prototype orders?

Yes. We support prototype development, pilot production, and mass manufacturing.

What certifications do your battery packs support?

UN38.3, IEC 62133, CE, RoHS, and other standards depending on application requirements.

What information is needed to start a custom battery project?

Voltage, capacity, discharge current, size constraints, application environment, and certification requirements.

Start Your Custom Lithium Battery Project

If you are looking for a reliable custom lithium battery pack manufacturer, A&S Power is ready to support your project from concept to production.