| Configuration | Capacity (Ah) | Energy (Wh) | Typical Size (mm) | Weight |
|---|---|---|---|---|
| 6S1P | 4.5–5Ah | ~100–111Wh | ~22×70×130 | ~250g |
| 6S2P | 9–10Ah | ~200–222Wh | ~45×70×130 | ~500g |
| 6S3P | 13.5–15Ah | ~300–333Wh | ~65×70×140 | ~750g |
| 6S4P | 18–20Ah | ~400–444Wh | ~85×70×140 | ~1000g |
We excel in crafting high-quality LiFePO4 battery packs to meet the needs of diverse applications.
Junda brings years of expertise in battery pack design and assembly, delivering high-performance 6S 22.2V 21700 lithium battery packs for demanding applications. Our engineering team focuses on efficiency, reliability, and lightweight solutions for professional use.
In drone applications, these battery packs offer higher energy density, extending flight time by 15–20 minutes while reducing weight to allow more payload capacity. For ROV systems, the compact structure optimizes space usage and improves buoyancy control through weight reduction.
With strong technical capability, Junda continues to provide efficient and lightweight battery solutions to meet diverse industry needs.
The 6S 22.2V 21700 lithium battery pack offers high voltage output and superior energy capacity, making it suitable for heavy-duty power tools, professional drones, and industrial-grade equipment. Reviewing its specifications, capacity options, and application scenarios will help you select the right configuration for your needs. Check the details below to find your best match.
| Parameter | Specification |
|---|---|
| Battery Type | 6S 22.2V 21700 Lithium-ion Battery Pack |
| Nominal Voltage | 22.2V |
| Nominal Capacity | 12–20Ah (based on configuration) |
| Energy | 266–444Wh |
| Charge Voltage | 25.2V |
| Cut-off Voltage | ~18.0V |
| Continuous Discharge Current | 15A–60A |
| Peak Discharge Current | 30A–80A |
| Operating Temp | Charge: 0–45℃ / Discharge: -20–60℃ |
| Cycle Life | >500 cycles @ 80% DOD |
| Configuration | Capacity (Ah) | Energy (Wh) | Typical Size (mm) | Weight |
|---|---|---|---|---|
| 6S1P | 4.5–5Ah | ~100–111Wh | ~22×70×130 | ~250g |
| 6S2P | 9–10Ah | ~200–222Wh | ~45×70×130 | ~500g |
| 6S3P | 13.5–15Ah | ~300–333Wh | ~65×70×140 | ~750g |
| 6S4P | 18–20Ah | ~400–444Wh | ~85×70×140 | ~1000g |
| Capacity Range | Common Applications |
|---|---|
| 4.5–5Ah | Portable UAVs, small industrial sensors, inspection devices |
| 9–10Ah | Communication terminals, mid-size drones, field monitoring tools |
| 13.5–15Ah | Medical carts, robotics, power tools with higher voltage |
| 18–20Ah | Heavy-duty drones, AGVs, high-power industrial backup systems |
Delivers longer runtime compared to 6S 18650 battery packs.
Suitable for high-current applications such as drones and power tools.
Voltage, capacity, BMS, connectors, and housing can be tailored to specific projects.
Every battery pack is tested and certified to UL, UN38.3, and CE standards.
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 All-Pole Tab 21700 45D cells featuring ultra-low internal resistance
Designed for drones and UAV applications
Equipped with specialized BMS solution for safe operation
Connector: XT-90S anti-spark for discharge, 5-pin JST-XH for charging
Optional IP68 waterproof housing for marine and harsh environments
Weight: 3.1 kg
21700 cells are larger and offer higher energy density than 18650, making them ideal for applications that require longer runtime, fewer cells, or better thermal management.
Yes. We support A-grade 21700 cells from brands like Samsung, LG, EVE, and Lishen. You can specify your preferred brand or let us recommend one based on your cost–performance needs.
Absolutely. We offer both hardware and smart BMS options with support for CAN, UART, RS485, Bluetooth, and custom firmware integration.
UN 38.3 is required for transport. Depending on the market, you may also need CE (EU), UKCA (UK), IEC 62133, MSDS, RoHS, or UL. We provide full support.
Samples: 7–12 working days
Mass production: 15–25 days
Lead time may vary based on complexity, cell availability, and customization level.
Yes. We offer small-batch prototyping (usually 5–100 pcs) to help you test form, fit, and function before scaling up.
Yes. We provide custom labels, logo printing, box packaging, and barcode integration to support your supply chain and brand visibility.
You should include target voltage, capacity, discharge current, size limits, connector type, BMS protocol, certification needs, and annual quantity estimates.
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.