At Junda Battery, we develop high-performance custom battery packs built on next-generation solid-state battery technology. Designed to deliver enhanced energy density, safety, and reliability, our solid-state solutions are ideal for demanding industrial and commercial applications. Whether you require compact designs or specialized formats, we engineer battery packs tailored to your product’s exact size, shape, and performance requirements.
Durable, high-density power sources for electric boats and other marine systems.
Reliable power for medical equipment where safety and stability are critical.
Ultra-lightweight, robust packs designed for mission-critical performance.
Optimized for longer flight times, high discharge rates, and smart integration.
Configuration: 10S2P using 20 pcs 3.65V 27Ah solid-state cells
Cycle Life: 1200+ cycles @ 100% DOD, 80% capacity remaining
Application: Marine propulsion and onboard boat systems
Certification: Built with UL2580-certified cells
Weight: 8.5 kg
Configuration: 13S2P with 26 pcs 3.65V 35Ah solid-state cells
Ultra Charge Rate: >2C for fast charging
Cycle Life: 800+ cycles @ 100% DOD, 80% capacity retention
Protection: Advanced BMS with triple-layered charge/discharge safeguards
Weight: 11 kg
Solid-state battery packs offer higher energy density, improved safety (no flammable liquid electrolyte), longer lifespan, and better thermal stability compared to traditional lithium-ion batteries.
Yes. We support full customization, including voltage, capacity, dimensions, BMS protocols, and casing materials, based on your application needs.
Yes. We use UL2580-certified solid-state cells and follow international standards for safety and performance.
Our solid-state battery packs are widely used in marine propulsion, medical equipment, drones & robotics, and aerospace applications.
Yes. Many of our custom solutions offer >2C ultra-fast charge rates, depending on the cell chemistry and BMS configuration.
With more than a decade of experience, Junda delivers precision-engineered lithium battery packs tailored for your unique applications. Here’s what makes us a trusted partner for global B2B clients:
At Junda, our engineering team is led by a senior battery architect with 15+ years of hands-on experience at CATL, BYD, and other industry leaders. Backed by a cross-functional team of 6 engineers, we provide full-cycle development from design and simulation to testing and certification. We’ve completed over 1,000 custom battery pack projects across sectors like eMobility, energy storage, medical devices, and industrial tools—always focusing on safety, reliability, and performance.
Junda operates under a strict ISO 9001:2015-certified quality management system, overseen by our QA director and implemented across every department. From incoming cell inspection to final pack aging tests, every step is digitally tracked and traceable. Our system ensures stable supply chain sourcing, controlled assembly processes, and compliance with industry benchmarks such as UN38.3, CE, and IEC 62133.
Junda’s battery pack assembly process integrates mechanical, electrical, and thermal design tailored to your use case. Our capabilities include IP67/IP68 waterproof housing, high-discharge BMS systems, CAN/RS485 communication protocols, and reinforced designs for vibration or extreme environments. We conduct cell sorting, welding, insulation, balancing, and aging tests in-house to ensure consistent performance and longevity.
From your first inquiry to final delivery, we provide responsive, multilingual support backed by a dedicated sales and engineering team. We guide clients through technical evaluation, prototyping, compliance, and logistics—ensuring a transparent, stress-free experience. Whether you need an urgent sample or a long-term OEM solution, we’re here to make your battery development process efficient and reliable.
Share your voltage, size, application, and quantity needs—we’ll assess your project quickly.
Our engineers will optimize the design, confirm details, and provide samples if needed.
Once approved, we start production and arrange fast, secure shipping to your destination.
Need a custom lithium battery pack? Just send us your specs—we’ll help you choose the right voltage, case, and configuration for your application.
At JUNDA, we make customization easy. Follow these 3 simple steps to start today:
Send your battery requirements — voltage, capacity, casing type, or upload drawings/photos.
We’ll evaluate your specs and recommend the best configuration. A detailed quote will be sent within 24 hours.
After approval and deposit, we start production. Shipping and tracking will be arranged for fast, secure delivery.