Custom Battery Manufacturer

Special purpose battery cell manufactuer and custom lithium battery supplier

ju da logo
who is Large Power

Large Power

Founded in 2002, Large Electronics (Hong Kong) Co., Ltd (Large Power). is a  high-tech enterprise specializing in customized lithium battery systems and solutions for global users.

With over 15,000 m² of facilities and 280+ employees—including 70+ R&D staff—LARGE Power focuses on “Four Highs and One Low”: high energy density, high-rate discharge, high-temperature resistance, high safety, and low-temperature performance.

内页图标01

Fluctuations in performance or failure rates increase operational risks and maintenance costs for OEMs and integrators.

内页图标02

Unreliable supply or delayed deliveries can stall product rollouts and break customer trust.

内页图标03

Standardized battery formats often fail to meet the exact size, voltage, or performance needs of specific industrial applications.

内页图标04

Without responsive technical assistance, battery integration can lead to system inefficiencies, delays, or even failures.

advantage icon 5

Frequent replacements, safety incidents, and inefficient energy performance can drive up the true cost of ownership far beyond the initial purchase.

Large Power Core Technology

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

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

Custom Lithium Battery

Our lithium-ion batteries offer high energy density, long cycle life and versatility. Share your specific requirements, and we'll provide a tailored solution to meet your needs.

Custom Lithium Polymer Battery

Custom Lithium Polymer Battery

Our lithium polymer batteries deliver high energy density, flexible form factors and excellent performance, making them ideal for a wide range of applications, from consumer electronics to various other industries.

Custom Quasi Solid State Battery

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 4 e1748229285681

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 e1748229152512

Custom LiFePO4 Battery

Explore our range of LiFePO4 batteries, known for superior safety, long cycle life and stable performance across various applications.

Large Power Core Industry Application

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.
Our battery solutions deliver high energy density and lightweight designs to ensure robots operate efficiently for extended periods in complex environments. With fast charging capabilities and intelligent battery management systems, downtime is minimized, enhancing robots’ endurance and reliability across diverse tasks.
For security systems, we provide high-safety lithium batteries and backup power solutions that guarantee continuous operation even during outages. Our batteries feature long lifespans and adaptive performance in varying environments, ensuring stable and reliable operation of security equipment under challenging conditions.
In the consumer electronics sector, our battery solutions focus on high capacity and slim designs to support extended use and portability of smartphones, tablets, and other devices. Combined with fast charging and wireless technologies, we enhance user experience while adopting eco-friendly materials to promote sustainability.
Our solutions for electronic devices include compact, high-energy-density, and flexible batteries that meet the needs of wearable and compact smart devices. With capabilities like low-temperature startup and high-rate discharge, these batteries ensure quick response and stable performance in diverse conditions.
Industrial battery solutions emphasize high reliability and resistance to high temperatures and corrosion to support continuous operation in demanding environments. Modular designs simplify maintenance and replacement, while intelligent monitoring systems provide real-time battery status, ensuring safe and stable industrial equipment performance while reducing operational costs.
Large Power Full Battery Solutions

Why Choose Large Power

Large Power has a dedicated Technology Center for Battery Modules and 17 advanced laboratories.

Covering the full spectrum from design to testing.

We offer an annual production capacity of 210 MWh for batteries and 4 GWh for battery modules—delivering high-performance, one-stop power solutions.

0
Years of Experience in the Battery Market
0
National Innovation Copyright
0
K+
Custom Battery Cases
0
M+
Production of Battery Packs
实景01

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.

实景02

Integrated R&D and Manufacturing Capabilities

From core technology development to large-scale production, our fully integrated facilities allow for fast iteration, high quality control, and seamless scale-up of innovative battery designs.

实景03

Expert-Driven Innovation

Our R&D efforts are guided by a team of highly experienced scientists and technical advisors, ensuring each solution is grounded in cutting-edge science and market relevance.

实景04

Commitment to Quality and Reliability

With rigorous quality control processes and international certification standards, we deliver batteries that meet the most stringent safety and performance requirements—consistently and reliably.

Our Qualifications and Certifications

Management System

Certification

certifications
Customization, Anything is Possible

Ambition of Large Power is to become global leader in custom lithium-ion batteries with research, development, manufacturing and servicing of battery cells, packs, and power supplies.

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.

quote
Yun Zhu, CEO
Some of Our Trusted Clients
Default Title
Default Title
Default Title
Default Title
Default Title
Default Title
Default Title
Default Title
Default Title
Default Title
Default Title
Default Title
Scroll to Top

Get A Free Quote Now !

Contact Form Demo (#3)
If you have any questions, please do not hesitate to contact us.
Client-Oriented Custom Battery Solutions1