Custom Battery Manufacturer
Special purpose battery cell manufactuer and custom lithium battery supplier
Who is Celxpert?
Celxpert Batteries
It is a high-tech enterprise specializing in customizing lithium battery systems and solutions for global users.
Celxpert Energy Corporation (Established in 1997) is a world-class leader in lithium-ion battery pack design and manufacturing. With nearly 30 years of industry experience, the company provides advanced power solutions for laptops, power tools, energy storage systems, and EVs.
The pain points of customized batteries
Main Product Categories
Our industry-leading solid-state and low-temperature lithium-ion batteries are widely used in defense, medical, security, communications, railways, petrochemicals, energy storage, and more. Strategic partners include CNPC, China Railway Group, ZTE, Mindray, and others.
Custom Low Temperature Battery
Our custom low-temperature batteries are designed to perform in extreme cold conditions, ensuring reliable power output for your specific application needs.
Custom Lithium Battery
Our custom low-temperature batteries are designed to perform in extreme cold conditions, ensuring reliable power output for your specific application needs.
Custom Low Temperature Battery
Our custom low-temperature batteries are designed to perform in extreme cold conditions, ensuring reliable power output for your specific application needs.
Custom Quasi-Solid-State Battery
Explore our range of quasi-solid-state batteries, offering enhanced safety, higher energy density and improved performance for a variety of applications.
Custom Battery Chargers
In addition to custom battery packs, we also offer tailored lithium battery chargers designed to meet your specific needs.
Custom LiFePO4 Battery
Explore our range of LiFePO4 batteries, known for superior safety, long cycle life and stable performance across various applications.
Facing similar challenges?
Explore how our solutions can help →
Medical-grade applications demand absolute reliability—especially in critical equipment like ventilators and portable monitors. Our battery solutions are engineered for stable output, low self-discharge, and compliance with stringent safety standards to ensure uninterrupted operation in life-dependent scenarios.
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Why Choose Large Power
Deep Specialization in High-End Lithium Battery Solutions
We focus exclusively on developing and manufacturing lithium batteries for specialized, high-demand applications—such as aerospace, military, and emergency equipment—ensuring unmatched performance under extreme conditions.
Our Qualifications and Certifications
Management System
Certification
Customization, Anything is Possible
Driven by a fusion of cutting-edge multi-technology solutions, IoT-enabled connectivity, and precision-engineered customization, our strategy is laser-focused on delivering what tomorrow’s challenges demand.
By integrating AI-driven smart manufacturing and Industry 4.0 automation into our production lines, we’re not just keeping pace with innovation—we’re redefining it.
Every system we build leverages our 20+ years of cross-industry expertise to not only meet your technical requirements but to elevate your applications’ performance, scalability, and sustainability for decades to come.
Some of Our Trusted Clients
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