With an impressive 3,000 to 5,000+ cycles lifespan, these batteries significantly outperform traditional lead-acid alternatives.
As a professional LiFePO₄ battery manufacturer, we design and produce custom 38.4V / 36V LiFePO4 battery packs for robotics, power tools, e-scooters, and industrial equipment. These packs are built to deliver high energy density, stable voltage output, and excellent safety performance even in the most demanding environments.
Equipped with an advanced Battery Management System (BMS), our solutions protect against overcharge, over-discharge, overcurrent, and short-circuit risks. The premium LiFePO4 chemistry ensures long cycle life (3,000–5,000+ cycles), outstanding thermal stability, and a low self-discharge rate for extended storage without performance loss.
We provide full customization options — including size, shape, capacity, casing, waterproofing, and communication protocols — to ensure a perfect fit for your application. Whether you need compact, lightweight mobility batteries or durable industrial-grade packs, our engineering team works with you to achieve the best performance-to-cost ratio.
The custom 38.4V / 36V LiFePO4 battery pack delivers high voltage and stable performance for demanding electric mobility, solar energy storage, and industrial applications. Known for its long cycle life, safety, and efficiency, this battery pack can be tailored to meet specific capacity, size, and output requirements. Explore the specifications, capacity options, and common applications below to find the ideal configuration for your needs.
| Parameter | Specification |
|---|---|
| Battery Type | 12S 38.4V / 36V LiFePO₄ Battery Pack |
| Nominal Voltage | 38.4V (12 × 3.2V LiFePO₄) |
| Marketing Voltage | Commonly referred to as “36V” in the market |
| Nominal Capacity | 10–200Ah (customizable) |
| Energy | 384Wh – 7,680Wh (voltage × capacity) |
| Standard Charge Voltage | 43.8V (3.65V × 12) |
| Cut-off Discharge Voltage | ~30.0V (≈2.5V × 12) |
| Continuous Discharge Current | 20A–200A |
| Peak Discharge Current | 40A–400A |
| Operating Temperature | Charge: 0–45℃ / Discharge: -20–60℃ |
| Cycle Life | >3000 cycles @ 80% DOD |
| Configuration | Capacity (Ah) | Energy (Wh) | Typical Size (mm) | Weight |
|---|---|---|---|---|
| 12S Pack – Compact | 10Ah | 384Wh | ~180×120×100 | ~3.2kg |
| 12S Pack – Standard | 20Ah | 768Wh | ~220×150×120 | ~6.0kg |
| 12S Pack – High Capacity | 50Ah | 1920Wh | ~300×200×140 | ~15kg |
| 12S Pack – Extended | 100Ah | 3840Wh | ~400×250×160 | ~28kg |
| 12S Pack – Max | 200Ah | 7680Wh | Custom | ~55–65kg |
| Capacity Range | Common Applications |
|---|---|
| 10–20Ah | Portable solar generators, small UPS, light mobility devices |
| 50Ah | E-bikes / e-trikes (36V class), marine trolling motors, AGVs |
| 100Ah | Home solar storage (36–40V bus), RV/boat house systems, backup |
| 200Ah | Off-grid storage banks, telecom backup, industrial power systems |
Junda is a professional lithium battery manufacturer, supplying certified battery solutions worldwide. Product standards are continuously improved to help you maintain reliable supply and keep your customers satisfied.
Built with a 12S2P configuration using high-quality 26650 LiFePO₄ cells, this 38.4V 6.6Ah battery pack delivers 253 Wh of energy with a 30A continuous discharge rate. Compact yet powerful, it is ideal for electric mobility devices requiring reliable, lightweight, and long-lasting power.
Cycle life: Over 1,000 cycles
Applications: E-bikes, scooters, portable mobility equipment
Key advantage: Stable voltage output for consistent performance
Configured in 12S3P with premium 26650 LiFePO₄ cells, this 38.4V 9.9Ah battery pack provides 380 Wh capacity and a 40A discharge rate, making it a robust choice for robotics and automation systems that demand high bursts of power with excellent cycle life.
Cycle life: Over 1,000 cycles
Applications: Industrial robots, AGVs, autonomous systems
Key advantage: High discharge rate supports dynamic, power-intensive operations
Manufactured from 12 high-capacity 3.2V 15Ah LiFePO4 polymer cells, this 38.4V 15Ah battery pack offers 576 Wh of energy with an 18A discharge rate. Its polymer cell structure provides high energy density in a slim, lightweight form, suitable for applications where compact size and long runtime are essential.
Cycle life: Over 1,000 cycles
Applications: Portable power systems, backup energy, specialized electronics
Key advantage: Space-efficient design with extended operating time
Assembled from 48 premium 3,300 mAh 26650 LiFePO₄ cylindrical cells, this 38.4V 13.2Ah battery pack delivers 506 Wh capacity and 40A discharge capability, ensuring stable performance in demanding environments.
Cycle life: Over 1,000 cycles
Applications: Industrial equipment, light EVs, field tools
Key advantage: Balanced capacity and power output for versatile applications
You gain higher safety, longer cycle life (2000–5000+), faster charging, and lower lifetime cost. LiFePO₄ is also more stable in extreme temperatures and carries no toxic heavy metals.
Your voltage depends on your device’s motor or inverter requirements. For example, 12.8V is ideal for RV and lighting systems, 51.2V for solar storage or telecom, and 409.6V for large energy storage systems and EVs.
Yes, each pack can be customized to work with your inverter or EMS system using CAN, RS485, or UART protocols. Our engineering team ensures BMS compatibility during the design phase.
Most packs are compliant with UN38.3, CE, RoHS, and optionally UL 1642 / 2054 and IEC 62133, depending on your market and application.
With proper use, you can expect 2000–5000+ charge/discharge cycles, depending on depth of discharge and usage conditions.
Yes, custom configurations can be built for series or parallel use. Modular designs are available to support system scalability.
Yes. Waterproof enclosures (IP65–IP67) and self-heating modules for -30°C operation are available upon request.
Absolutely. Packs can be tailored with specific dimensions, terminal types, communication ports, and mounting solutions to meet your hardware needs.
Samples typically take 7–10 working days. Mass production requires 15–25 working days after sample approval, depending on complexity.
Yes. All packs that require international shipping come with UN38.3 test reports, MSDS, and compliant packaging for air, sea, or ground transport.
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.
