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Founded in 2014 and headquartered in Shenzhen, China, ONESUN is a high-tech enterprise specializing in the R&D and manufacturing of lithium batteries, battery management systems (BMS), inverters, and complete energy storage systems. Its products are sold to over 70 countries and regions, securing a significant position in the global new energy supply chain.
As a global EV battery supplier, ONESUN possesses not only strong production and R&D capabilities, but also an annual production capacity of hundreds of megawatts, effectively meeting the global market's bulk demand for high-performance battery packs. The company's R&D team is led by system engineers from industry-leading companies (such as BYD), focusing on developing automotive-grade BMS technology to enable battery packs to achieve higher operational stability and longer lifespan.

ONESUN not only provides standardized battery products but also offers OEM (Original Equipment Manufacturer) and ODM (Original Design Manufacturer) services to global EV manufacturers and energy system integrators. This means that whether it's a brand's own electric vehicle project or customized energy storage and powertrain system development, ONESUN can provide a one-stop solution from design and production to final delivery.

This flexible service model greatly facilitates companies seeking rapid entry into the EV market or horizontal business expansion, while also offering tangible value in reducing R&D investment and optimizing supply chain management.
III. Superior Products Covering Multiple EV Application Scenarios
ONESUN's battery pack products cover a wide range of electric vehicles, including high-energy-density battery systems for electric bicycles, electric motorcycles, and electric golf carts, as well as battery packs compatible with different voltage levels such as 60V and 72V.

All these batteries utilize high-quality LiFePO₄ (lithium iron phosphate) cells. This chemical system is widely recognized as an ideal choice for electric vehicle power systems due to its high safety, good thermal stability, and long cycle life.
Furthermore, ONESUN's battery packs support modular design, allowing for flexible combination and voltage expansion to meet the diverse energy needs of vehicles ranging from light to medium-sized. This flexibility not only reduces inventory pressure but also brings greater efficiency to supplier wholesale and global distribution.
ONESUN has established a comprehensive global service network and professional support system, centered on its customers. Leveraging years of overseas project experience, the company provides solutions for energy projects exceeding 3GW globally, achieving a customer satisfaction rate of over 90%.

To help customers achieve rapid deployment, ONESUN also provides value-added services such as customized consulting, rapid response, and timely delivery, ensuring transparent product delivery cycles and smooth logistics, thereby effectively shortening customers' market response time.
In the wave of electric vehicles and sustainable energy, power battery suppliers are transforming from single-supplier roles to comprehensive solution providers. As an internationally renowned EV battery supplier, ONESUN not only possesses independent R&D capabilities and large-scale manufacturing capabilities but also provides global customers with high-quality, differentiated battery pack wholesale solutions through flexible OEM/ODM services. Whether it's a new entrant to the market or a partner seeking technological upgrades, ONESUN contributes to the green future of the new energy industry with its technological advantages, global vision, and service capabilities.
Article Source: Lithium battery manufacturer - ONESUN China
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