Company Overview
Large Power is a custom lithium battery manufacturer established in 2002, headquartered in the Greater Bay Area of China. Specializing in tailored solutions, the company designs and produces lithium battery cells, packs and power supplies for diverse industries, including medical equipment, robotics, rail transit, emergency systems, and consumer electronics.
Our Values
Loyal to clients, quality as foundation, contributors first.
Client-Oriented Custom Battery Solutions
At Large Power, we redefine custom battery manufacturing with a client-first philosophy. Every solution begins with your unique needs—whether it’s a medical device requiring ultra-low self-discharge or an AUV demanding pressure-resistant cells.
Our collaborative approach ensures seamless integration, from initial design to final deployment, while prioritizing your operational goals and budget. Partner with us for bespoke power systems designed to elevate your project’s performance.
Technology-Driven Innovation
Large Power leverages cutting-edge R&D to stay at the forefront as a technology-driven custom battery manufacturer. From advanced LiFePO4 chemistries to solid-state breakthroughs, we push boundaries in energy storage.
Our proprietary Battery Management Systems (BMS) with AI-driven diagnostics and smart thermal controls ensure peak efficiency, even in extreme environments. Trust us to future-proof your applications with scalable and sustainable power solutions.
Quality-Assured Reliability
Quality isn’t just a standard—it’s our promise. As an ISO 9001, ISO 13485 and UL-certified custom battery manufacturer, Large Power subjects every cell to 30+ validation tests, including thermal cycling, crush resistance
and deep discharge simulations.
and deep discharge simulations.
Our zero-defect ethos ensures your batteries exceed safety, longevity and performance benchmarks. Explore how our quality-assured designs power industries where failure isn’t an option.
Our Culture as Custom Battery Manufacturer
