22.2V 18650 Li-ion Battery Pack

22.2V 18650 Li-ion Battery Pack – Custom 6S Solutions for Power Tools & Drones

Junda specializes in designing and manufacturing 22.2V (6S) lithium-ion battery packs built with high-performance 18650 cells. These battery packs are widely used in electric grinders, drones, and other high-drain applications. Each pack integrates a smart BMS that addresses typical issues like motor blockage or over-discharge, ensuring smoother operation and longer lifespan.

 

  • Advanced BMS Protection: Our intelligent battery management systems protect against overcharge, over-discharge, overcurrent, and short-circuit. Optional communication protocols like RS232, EIA-365, and CAN bus can be integrated for system-level monitoring.

  • Global Certifications Support: We help customers meet safety and shipping regulations, including UN38.3, IEC 62133, UL 2054, and MSDS documentation—ensuring smooth access to international markets.

  • Strict Quality Control: All packs undergo a full set of functional, durability, and safety tests—ensuring consistency from cell selection to final assembly.

  • Proven Engineering Expertise: With over a decade of experience and more than 320 customized 22.2V battery pack projects delivered, our team ensures both technical feasibility and scalable manufacturing.

  • Full Customization Available: From housing dimensions and pack capacity to external shell materials and wiring, we provide fully tailored 6S 18650 solutions to match your exact project requirements.

Specialized Engineering Expertise

Our technical team brings over 15 years of hands-on experience in 18650 cell integration and pack architecture. We design each pack for optimal balance between capacity, safety, and lifecycle.

Custom BMS & Component Control

We tailor every BMS according to your project’s voltage, current, and protocol requirements. You can even specify component brands for ICs, MOSFETs, and protection circuits to align with your performance or sourcing standards.

Strict Quality Assurance

Every pack undergoes cell matching, insulation testing, temperature monitoring, and cycle verification. We ensure uniform resistance, stable output, and long-term reliability—all in line with ISO and UN38.3 standards.

Efficient Turnaround Times

With streamlined workflows and in-house capabilities, we accelerate your development timeline without compromising on quality—ideal for fast-moving product cycles or urgent OEM requirements.

Custom 22.2V 6S 18650 Battery Pack Solutions

Explore our selection of fully customizable 22.2V lithium battery packs, engineered with 18650 cells and smart BMS for demanding applications such as drones, power tools, and cleaning devices. Each model can be tailored in capacity, size, connectors, and cell brands to fit your needs.

22.2V 5000mAh 6S2P 18650 Li-ion Battery Pack for Drones

  • Cell Type: 3.7V 18650, 2500mAh, 10C discharge

  • Configuration: 6S2P (12 cells total)

  • Continuous Discharge Current: 10A

  • Peak Discharge Current: 25A

  • Size: 110 × 37 × 70 mm

  • Connector: XT60

  • Application: Drone propulsion and avionics systems

22.2V 7000mAh 6S2P 18650 Battery Pack for Vacuum Cleaners

  • Cell Brand: Samsung 35E, high energy density

  • Configuration: 6S2P, 7000mAh total capacity

  • Custom Shape Options: Available for limited space enclosures

  • Smart BMS: Built-in with tailored firmware

  • Warranty: 1 year after shipment

  • Application: Cordless vacuum cleaners and portable cleaning equipment

22.2V 6000mAh 6S3P 15C 18650 Battery Pack for Grinders

  • Cell Type: 3.7V 18650, 2000mAh, 15C / 30C peak

  • Configuration: 6S3P (18 cells total), 6Ah capacity

  • Size: 110 × 56 × 70 mm

  • Connector: Non-sparking XT60

  • Application: High-load grinders, rotary tools, and brushless motors

  • BMS: Smart monitoring with thermal and short-circuit protection

22.2V 18650 Battery Pack – Frequently Asked Questions

What are the typical applications of a 22.2V 18650 lithium battery pack?

These packs are commonly used in drones, cordless power tools (like angle grinders), vacuum cleaners, robotics, and other compact high-power devices requiring a 6S configuration.

Yes. We offer full customization, including cell brand, capacity (Ah), connector types (e.g., XT60, Molex), housing design, and protective BMS functions based on your project requirements.

Both have 6 series cells (22.2V nominal), but 6S2P uses 2 cells per group (for moderate capacity), while 6S3P uses 3 cells per group (for higher capacity and current). The choice depends on your load and runtime needs.

Yes. All our 22.2V packs come with built-in smart BMS. We can support custom protection levels and communication protocols like CAN bus, RS232, or UART depending on your integration needs.

Which certifications can you provide for export and compliance?

We assist with certification support for UN38.3 (transport), IEC 62133 (safety), UL 2054, and MSDS. Let us know your target market, and we’ll provide guidance accordingly.

Standard sample development takes 7–10 days. Mass production typically takes 20–25 days, depending on complexity and order volume.

For customized 22.2V battery packs, our MOQ usually starts at 100–200 pcs depending on configuration. For special designs involving tooling, a higher MOQ may apply.

Yes. We perform in-house tests (capacity, discharge rate, thermal behavior) and can arrange third-party testing upon request.

22.2V 18650 Battery Pack Buying Guide

This comprehensive guide helps B2B buyers understand the specifications, configurations, certifications, and customization options of 22.2V 18650 lithium battery packs. Whether you’re sourcing for robotics, power tools, or smart devices, this guide will help you make informed purchasing decisions.

Table of Contents

Chapter 1

What Is a 22.2V 18650 Battery Pack?

Realistic 22.2V lithium battery pack made of cylindrical 18650 cells with icons for robot, e-skateboard, medical device, and security camera in the background.

A 22.2V 18650 battery pack is a lithium-ion power solution built by connecting six 18650 cells in series (6S configuration). It offers a nominal voltage of 22.2V and a fully charged voltage of 25.2V. This setup is widely used in applications that demand compact size, moderate-to-high power output, and high energy density—such as robotic systems, e-skateboards, medical tools, and smart surveillance equipment.

Chapter 2

Why Choose the 22.2V Configuration?

The 6S 22.2V configuration delivers a sweet spot between performance, portability, and energy efficiency:

Higher Voltage Output: Delivers enough voltage to power mid-range electric motors and embedded systems.

Compatibility: Standardized voltage for a wide range of controllers, BMS, and industrial applications.

Lower Transmission Losses: Higher voltage reduces current load, which minimizes energy loss and heat generation.

Optimized Size-to-Energy Ratio: Efficient for space-limited designs that still need substantial capacity.

Infographic comparing 5S, 6S, and 7S lithium battery configurations, highlighting benefits of 22.2V in a clean industrial background.
Chapter 3

Comparison with Other Voltage Systems

Battery Setup Series (S) Nominal Voltage Typical Applications
5S 5 18.5V Lightweight devices, handheld electronics
6S 6 22.2V Balanced choice for medium-power systems
7S 7 25.9V High-load applications, industrial tools
Chapter 4

Capacity & Configuration: How to Choose

Choosing the right configuration (e.g., 4S1P to 4S7P) helps balance energy capacity, runtime, and space constraints. This section helps you match configurations to specific application needs.

Use Case Recommended Configuration Capacity Range Key Benefit
Portable Medical Devices 4S1P / 4S2P 2.9Ah – 7Ah Compact & lightweight
Drones & UAVs 4S3P / 4S4P 8.7Ah – 11.6Ah Balance between power & weight
Military & Industrial Use 4S5P / 4S6P 14Ah – 17.4Ah High capacity, rugged build
Solar Lighting / Outdoor Tools 4S6P / 4S7P 17.4Ah – 20.3Ah Extended runtime, deep cycle
Chapter 5

How to Choose the Right 18650 Battery Cells for a 22.2V Pack?

The performance, reliability, and safety of a 22.2V battery pack depend heavily on the quality and type of 18650 cells used. Since this configuration requires six cells in series, even a slight imbalance between cells can affect the overall pack performance and lifespan. For B2B buyers, selecting the right cell type is a crucial step in ensuring product quality and long-term reliability.

Technician testing cylindrical 18650 lithium-ion cells using a multimeter on a lab bench, with Samsung and LG cells and performance charts.Cell Brand and Grade:

Choose reputable brands such as Samsung, LG, Panasonic, or high-grade Chinese cells (Grade A only). These manufacturers ensure consistent internal resistance, accurate capacity, and predictable cycle life, which are essential for safe and efficient series configurations.

  • Tier-1 brands are recommended for medical, aerospace, or precision electronics.

  • Verified Chinese brands may be suitable for cost-sensitive applications like consumer electronics or robotics.

Capacity vs. Discharge Rate:
There’s often a trade-off between energy storage and output capability.

  • High-capacity cells (3000–3500mAh) are ideal for devices requiring longer runtime, such as surveillance systems and service robots.

  • High-discharge cells (10A–20A rated) are better suited for electric skateboards, drones, and power tools that require short bursts of high current.

Cycle Life and Stability:
Select cells that offer at least 500–1000 charge cycles at 80% depth of discharge (DoD). For industrial applications, consider long-life cells rated for over 1500 cycles to minimize replacement and maintenance costs.

Cell Consistency and Matching:
Cells used in a 6S battery pack must be closely matched in voltage, capacity, and internal resistance. Mismatched cells can lead to:

  • Reduced usable capacity

  • Faster degradation

  • Heat imbalance

  • Safety issues during charging or discharging

High-quality suppliers should provide voltage sorting, resistance matching, and balancing services to ensure consistent performance across the pack.

Summary for B2B Buyers

  • Always confirm the cell brand and request testing reports or datasheets.

  • Match cell type to application needs: choose high-discharge cells for dynamic load systems and high-capacity cells for long runtime applications.

  • Require consistency testing and pack balancing from your supplier.

  • Order prototype samples for real-world validation before placing volume orders.

Chapter 6

22.2V Battery Pack Configuration and Structure

All 22.2V lithium-ion battery packs use a 6-series (6S) arrangement. The total capacity depends on how many cells are added in parallel. Different configurations meet different runtime and power needs.

Configuration Total Capacity (Typical) Use Case
6S1P 2.6Ah – 3.5Ah Compact, low-load systems
6S2P 5.2Ah – 7.0Ah Robots, sensors, light tools
6S3P 7.8Ah – 10.5Ah Drones, handheld equipment
6S6P+ 15Ah and above Long-runtime, heavy-load devices

Besides cell configuration, structure matters too. Three areas to review:

  • BMS: Must match 6S voltage and current range. Choose smart BMS if protocol control or data logging is needed.

  • Connection method: Spot welding is standard. Laser welding or busbars are better for high-current loads.

  • Outer case: PVC wraps are low-cost. ABS housings offer impact resistance. Aluminum cases improve cooling and waterproofing.

Component Options Recommended Use
BMS Standard / Smart / Custom General / Data-driven / Protocol-based systems
Connection Nickel strip / Busbar / Laser welding Low-current / High-current / Precision assembly
Case PVC / ABS / Aluminum Light use / Portable tools / Harsh environments
Chapter 7

Performance Parameters and Key Metrics

Before purchasing a 22.2V 18650 battery pack, it’s essential to understand how performance specs translate to real-world usage. Rather than just looking at technical numbers, ask: does this pack meet my product’s power, runtime, and safety needs?

Voltage and Compatibility

22.2V is the nominal voltage of a 6S pack. The actual operating range varies:

  • Fully charged: 25.2V

  • Cut-off voltage: ~18.0V
    Make sure your motor or controller supports this voltage range. Most industrial systems designed for 21V–24V input will be compatible.

Capacity and Runtime

The capacity, measured in amp-hours (Ah), determines how long your device can run. For example:

  • A 6S2P pack using 3000mAh cells provides ~6Ah, or 133Wh (22.2V × 6Ah)

  • A 6S3P pack = ~9Ah or 200Wh — ideal for longer operations like 4–6 hour shifts

For high-endurance applications, aim for 8Ah and above.

Discharge Current (Continuous and Peak)

Does your product require bursts of high current (like drone takeoff or motor spin-up)?
Then you need high-discharge cells and a properly rated BMS.

  • Continuous discharge: 5A – 30A

  • Peak discharge: up to 40A or more (for <5 seconds)

Underestimating discharge capacity can lead to BMS cut-off or overheating.

Cycle Life

Most packs offer 500–1000 full charge cycles at 80% depth of discharge. High-quality cells and controlled charging can extend this to over 1500 cycles. For daily-use equipment, long cycle life directly reduces maintenance and replacement costs.

Parameter Typical Range What It Affects
Voltage (Nominal) 22.2V (6S) System compatibility
Capacity 2.6Ah – 18Ah+ Runtime per charge
Continuous Discharge 5A – 30A Motor or device load
Cycle Life 500 – 1500+ Battery lifespan
Chapter 8

Certification and Compliance for Export & Use

When exporting or deploying 22.2V 18650 battery packs across international markets, certification is not just a quality signal—it’s a requirement. Lithium battery packs are classified as regulated goods under global shipping and product safety laws. Without proper compliance, you risk shipping delays, customs issues, or even legal penalties.

The most critical certification is UN38.3, which tests the battery’s ability to withstand transport conditions such as pressure, vibration, and short circuits. It is mandatory for air and sea shipments. Alongside it, suppliers should provide a valid MSDS or SDS (Safety Data Sheet), detailing chemical content and handling instructions—especially for warehouse and logistics partners.

For products entering the European market, buyers typically require IEC 62133 testing to support CE marking. This ensures that the battery meets safety standards for portable electronics and low-voltage devices. In North America, many companies prefer batteries that comply with UL 2054 or UL 62133-2, especially in sensitive sectors like healthcare, consumer electronics, or automation.

Another key compliance factor is RoHS, which restricts hazardous substances such as lead, mercury, and cadmium—essential for medical and eco-conscious brands in the EU and UK.

Professional suppliers should be able to provide full documentation—not just logos on labels—including test reports, certification numbers, and valid Declaration of Conformity (DoC). Packaging must also include correct markings, such as watt-hour rating, lithium battery labels, and recycling symbols. For large-volume or institutional buyers, third-party audits or virtual factory inspections are often available upon request.

In short, verifying these certifications upfront protects your business, speeds up customs clearance, and builds trust with your end customers.

Chapter 9

Application Scenarios and Industry Use Cases

22.2V 18650 battery packs are widely used in applications that require a compact power source with a moderate-to-high voltage platform. Thanks to their balance between energy density, portability, and cost-efficiency, they are favored across industries such as robotics, electric mobility, and portable electronics.

A compact medical diagnostic device on a hospital cart powered by a lithium battery pack, with patient monitoring screens active in a sterile white clinical setting.

Portable Medical Equipment

From portable CPAP machines to diagnostic devices, 22.2V packs provide stable output for sensitive electronics. Medical buyers often require certified BMS and extended cycle life.

Outdoor surveillance camera installed on a metal pole in a forest-edge field during sunset, with rugged wiring and control box.

Surveillance and Communication Devices

Mobile monitoring units, outdoor routers, and communication repeaters rely on 22.2V packs for multi-hour or overnight operation. These batteries are often used with waterproof or rugged casings.

Construction worker using a cordless drill on a concrete wall, with dust and unfinished building in the background.

Power Tools and Industrial Instruments

Cordless drills, grinders, and other handheld tools benefit from 22.2V systems for torque and portability. Packs must support high current and quick recharge times.

Technician preparing a large white commercial drone for flight with battery and tools in an open field near industrial structures.

Drones and UAV Systems

Many commercial drones use 22.2V (6S) packs for powering motors and control systems. These packs offer the balance of weight, power, and flight time, especially for mid-size UAVs.

Chapter 10

Customization and Engineering Support

 Not all 22.2V 18650 battery packs are off-the-shelf solutions. In many B2B projects, standard configurations fail to meet specific size, current, or interface requirements. That’s where customization becomes essential—and engineering support from the supplier plays a key role.Engineer designing a custom lithium-ion battery pack in a clean R&D lab, with CAD software, connector prototypes, and BMS boards on the workbench.

Customization starts with the battery configuration itself. Depending on your runtime, size, and output needs, you may require a custom 6S2P, 6S4P, or even 6S10P structure. The choice of cell—capacity, discharge rate, and brand—can also be tailored. For example, medical devices may require long-cycle LG or Samsung cells, while drones may need high-drain cells from Molicel or similar.

The next layer of customization involves the BMS (Battery Management System). If your system communicates via CAN, UART, or SMBus, the supplier must offer BMS options that match your protocol. Smart BMS units can also be customized for parameter logging, fault history, and over-the-air updates—ideal for fleet-based or mission-critical applications.

Mechanical customization includes:

  • Special pack dimensions to fit into tight enclosures

  • Waterproof or dustproof casings (IP65–IP67)

  • Custom connectors (XT90, Anderson, Molex, or proprietary terminals)

  • Brackets, mounting tabs, or embedded wiring harnesses

Beyond hardware, experienced suppliers also offer engineering support during development. This may include CAD drawings, thermal simulations, prototype samples, and electrical performance reports. Having access to pre-sales engineering not only shortens your development cycle but also helps avoid mismatches between the battery and your device’s real-world demands.

For brands and OEM customers, cosmetic customization is also available. Battery shells can be branded with laser logos, custom labels, and color-matching to your product line.

In short, a supplier with strong in-house design and prototyping capabilities ensures your battery solution is not just compliant—but optimized for your product, market, and users.

Chapter 11

How to Select a Reliable 22.2V Battery Supplier

Choosing the right supplier for your 22.2V 18650 battery packs isn’t just about getting a good price. It’s about long-term reliability, technical support, and supply chain security—especially if your product depends on stable battery performance in critical applications.

Buyer and battery supplier discussing 22.2V battery pack samples, certifications, BMS boards, and test reports in a professional office setting.

Here are key factors to evaluate when selecting a qualified supplier:

1. Cell Source Transparency
Ask your supplier to disclose which 18650 cell brands they use (e.g., Samsung, LG, Molicel, or verified Chinese brands). Check if the cells are Grade A and batch-tested for consistency. Reputable suppliers will provide datasheets and test reports.

2. Certification and Compliance Support
The supplier should offer full documentation, including UN38.3, MSDS, IEC 62133, CE/UL support, and RoHS declarations. Confirm that certificates are up-to-date and traceable to actual product builds—not generic documents.

3. In-House Engineering & Customization Capabilities
Can they assist with CAD drawings, custom BMS programming, or thermal design? If you require mechanical fit, smart features, or brand-specific packaging, a strong R&D team is essential.

4. Sample Evaluation & Small Batch Prototyping
Reliable suppliers are willing to support small-batch samples for verification before mass production. Evaluate performance consistency, connector fit, labeling, and charging compatibility before scaling up.

5. Quality Control Process
Check if the supplier performs voltage, resistance, cycle, and BMS function tests on every pack. Ask for photos or videos of QC stages if you’re sourcing remotely.

6. Production Capacity and Lead Time
Confirm monthly output, lead time for standard vs. customized orders, and their ability to handle rush or high-volume demand. Delays in battery delivery often stall your entire supply chain.

7. After-Sales and Communication
Good suppliers respond quickly, offer technical troubleshooting, and are willing to revise solutions when issues arise. Clear, documented communication builds trust—especially in long-term B2B cooperation.

In short, a reliable 22.2V battery pack supplier should function as your technical partner, not just a vendor. Look beyond unit price and verify their ability to deliver safe, certified, and customized solutions consistently.

Chapter 11

Summary

22.2V 18650 battery packs offer an ideal combination of voltage, energy density, and form factor for a wide range of B2B applications—from robotics to power tools. By understanding key factors like configuration, cell selection, performance metrics, compliance requirements, and customization options, you can confidently choose a battery solution that fits your product and market. Working with an experienced, certified supplier ensures both safety and long-term reliability in every stage of your supply chain.

We’re committed to delivering reliable custom battery solutions—backed by expert support and clear quotations.

Why Choose Junda As Your Custom Battery Pack Manufacturer?

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:

Our Engineering Expertise

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.

Our Quality Assurance System

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.

Our Assembly & Integration Process

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.

Our End-to-End Support

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.

Simple 3 Steps Process

Submit Your Requirements

Share your voltage, size, application, and quantity needs—we’ll assess your project quickly.

Confirm Specifications

Our engineers will optimize the design, confirm details, and provide samples if needed.

Production & Delivery

Once approved, we start production and arrange fast, secure shipping to your destination.

Get Free Quote

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.

Custom Battery Packs Made Easy

At JUNDA, we make customization easy. Follow these 3 simple steps to start today:

🔧 Step 1: Tell Us What You Need

Send your battery requirements — voltage, capacity, casing type, or upload drawings/photos.

💡 Step 2: Get Solution & Quote

We’ll evaluate your specs and recommend the best configuration. A detailed quote will be sent within 24 hours.

🚚 Step 3: Confirm & Produce

After approval and deposit, we start production. Shipping and tracking will be arranged for fast, secure delivery.