円筒形電池パック

高品質のタクティカル・ソリューション

Your Cylindrical Cell Battery Packs Manufacturer

The 18650 cell, a staple of early 2000s technology, permeated a wide spectrum of applications, from everyday consumer electronics like laptops and flashlights to robust power tools and pioneering electric vehicles. Its widespread adoption stemmed from its accessibility, durability, and commendable energy density, establishing it as a reliable power source for numerous devices. However, the introduction of the 21700 cell in 2015 marked a significant advancement in battery technology, addressing the limitations of its predecessor. The 21700 offered a substantial increase in energy density, superior thermal management capabilities, and an extended lifecycle, quickly becoming the preferred choice for battery pack manufacturers seeking enhanced performance and efficiency.

At Yibai Energy, we typically recommend the 21700 cell for its superior performance characteristics, making it the optimal choice for the majority of our projects. However, we understand that OEM preferences can vary, and we possess the flexibility and expertise to accommodate the use of 18650 cells or any other cell type that aligns with our clients’ specific requirements. Regardless of the cell chemistry or format chosen, our overarching objective remains consistent: to optimize the performance of custom battery packs for their intended applications.

We are committed to supporting our clients in developing market-leading products that not only surpass the competition but also drive exceptional end-user satisfaction. Our comprehensive approach encompasses meticulous design, rigorous testing, and seamless integration, ensuring that our battery solutions empower our clients to achieve their product goals and solidify their market presence. We leverage our extensive experience and technical capabilities to deliver battery packs that are not only high-performing but also reliable, safe, and tailored to the unique demands of each application.

Selecting the right cylindrical cells is crucial for optimal product performance. We understand application-specific needs and recommend the best battery configuration for a competitive edge. Our expertise ensures informed cell selection, considering all influencing factors. We prioritize functionality, delivering battery packs that maximize product performance. Partnering with us means access to expert guidance, ensuring your battery solution aligns perfectly with your application’s demands. We focus on delivering tailored battery packs that empower your product’s success.

How can we help with your cylindrical cell battery pack development project?

We ensure quality battery packs through meticulous supply chain management and lean manufacturing. Our focus is reliable, high-performance solutions at competitive prices. We select optimal components, including the best battery cells for each application.

Stringent quality control, aligned with ISO 9001:2015 and ISO 13485:2016 standards, guides our manufacturing. Partnering with OEMs, we guarantee custom BMS compliance with all regulations. We deliver robust, certified battery packs, optimizing performance and reliability for diverse applications

Custom Battery Pack Design & Assembly

Custom cylindrical battery design and manufacturing with smart BMS, optimized for e-mobility, healthcare, and robotics.

Our Process

With over 10 years of battery design experience, we offer a complete solution and rapid project management on every project for the design and manufacture of battery pack solutions.

Your Proposal

We provide comprehensive proposals, detailing all aspects of custom battery packs and our deliverables. This ensures your team makes informed decisions regarding scope, timeline, milestones, and additional services, laying the groundwork for a streamlined project.

Your Project

We deliver exceptional custom battery pack projects, managed by a dedicated project manager. We collaborate on design, engineering, certifications, and production ramp-up, ensuring efficient and successful outcomes.

Your Product

Our efficient manufacturing delivers reliable, repeatable battery products. We provide on-time delivery and adaptable stock management.

How can we help with your battery pack development project?

How soon can my battery products be brought to market?

We turbocharge your battery projects from day one – even before you sign the contract. Whether you need a single-cell prototype or a massive high-voltage pack with multi-BMS integration, our team tailors solutions to your exact specs. We partner with you upfront to map timelines, anticipate hurdles, and hit tight deadlines without breaking stride. While most projects ramp to full production in under 9 months, our real superpower is flexibility: no project is too simple or too complex to deliver smarter, faster, and safer.

What is your production capacity?

Our available capacity for Battery Packs exceeds 1,000 per week currently, with plans to expand our facilities before the end of 2025.

Why partner with us for custom battery packs?

Mass-producing custom lithium batteries isn’t just complex—it demands deep expertise, precision engineering, and relentless iteration. Most suppliers take years (and costly missteps) to master it. At Yibai Energy, we’ve already done the hard work: our team delivers industry-proven solutions to top-tier OEMs, from single-cell prototypes to multi-BMS mega-packs.

With us, you gain:
Decades of Specialized Know-How – No more trial-and-error R&D.
Cost Efficiency – Optimized designs that slash waste and scale seamlessly.
Zero-Compromise Quality – Rigorous testing to meet global standards.
Future-Proof Compliance – Built-in adherence to evolving regulations.

We turn battery complexity into your competitive edge – faster, safer, and ready for tomorrow’s challenges.

What battery chemistries do you manufacture?

Yibai specializes in Lithium-Ion (NMC) and Lithium Iron Phosphate (LFP) battery packs, but also offers NCA, LTO, NiMH, and other chemistries. We manufacture using cylindrical, prismatic, and pouch cell formats. This versatility allows us to meet diverse application needs. Our expertise ensures optimal battery pack design, regardless of chemistry or cell format, delivering tailored power solutions.

Do you only specialise in battery pack manufacturing?

We accelerate custom battery pack and charger development, integrating smart BMS, via our dedicated New Product Introduction (NPI) team. This ensures swift design and manufacturing, delivering efficient, tailored solutions.

How can I get a safe and reliable battery pack for my product?

At Yibai Energy, safety and reliability are paramount. We meticulously analyze operational conditions and expected lifespan, managing risks through DFMEA and PFMEA. We collaborate closely with customers to define a clear project scope. Maintaining world-class reliability, we partner with suppliers and enforce rigorous internal quality controls. Utilizing modern manufacturing technology and best practices, we consistently deliver dependable, high-performance battery packs.