Custom 18650 Battery Packs
Precision Engineering for Every Application
Professional 18650 lithium-ion battery packs with flexible configurations from 1S to 24S. High energy density, reliable performance, and custom OEM/ODM solutions for drones, e-bikes, medical devices, and industrial applications.
What are 18650 Battery Packs?
18650 batteries are cylindrical lithium-ion cells (18mm × 65mm) known for their high energy density, reliability, and flexibility. When assembled into packs, they can be customized to deliver the exact voltage, capacity, and performance needed for different applications.
High Energy Density
Up to 300 Wh/kg for maximum power in compact form
Flexible Configuration
Series and parallel combinations for custom voltage and capacity
Proven Technology
Widely supported format with long cycle life (500-1000+ cycles)
Key Features & Advantages
Our custom 18650 battery packs deliver superior performance with tailored specifications for your specific application needs.
Stable Voltage Output
3.6V–3.7V nominal per cell with consistent performance throughout discharge cycle.
- Reliable voltage stability
- Full charge 4.2V per cell
Flexible Pack Design
Configurable in series (S) and parallel (P) for exact voltage and capacity requirements.
- 1S to 24S configurations
- Multiple parallel options
Long Cycle Life
500–1000+ charge cycles depending on usage patterns and depth of discharge.
- Extended operational life
- Cost-effective long-term solution
Custom Configurations
Tailored voltage and capacity options with energy or power-focused designs.
- Application-specific design
- High discharge rate options
Compact Design
Space-efficient format suitable for portable and industrial applications.
- Optimized form factor
- Lightweight construction
Proven Technology
Widely available and supported lithium-ion technology with established supply chain.
- Industry standard format
- Reliable performance
Technical Specifications
Comprehensive specifications for 18650 battery pack configurations from 1S to 24S with flexible parallel options.
Core Specifications
Series Voltage Configuration (1S-24S)
| Series (S) | Nominal (V) | Full Charge (V) |
|---|---|---|
| 1S | 3.6-3.7 | 4.2 |
| 2S | 7.2-7.4 | 8.4 |
| 3S | 10.8-11.1 | 12.6 |
| 4S | 14.4-14.8 | 16.8 |
| 6S | 21.6-22.2 | 25.2 |
| 10S | 36.0-37.0 | 42.0 |
| 13S | 46.8-48.1 | 54.6 |
| 16S | 57.6-59.2 | 67.2 |
| 20S | 72.0-74.0 | 84.0 |
| 24S | 86.4-88.8 | 100.8 |
Parallel Capacity Options (1P-6P)
| Parallel (P) | Capacity (mAh) | Capacity (Ah) |
|---|---|---|
| 1P | 2500-3500 | 2.5-3.5 |
| 2P | 5000-7000 | 5.0-7.0 |
| 3P | 7500-10,500 | 7.5-10.5 |
| 4P | 10,000-14,000 | 10-14 |
| 5P | 12,500-17,500 | 12.5-17.5 |
| 6P | 15,000-21,000 | 15-21 |
Formula Reference:
- • Voltage (V) = 3.6V × S
- • Capacity (Ah) = Cell Capacity × P
- • Energy (Wh) = Voltage × Capacity
Common Configuration Examples
| Configuration | Nominal Voltage | Typical Capacity | Example Use |
|---|---|---|---|
| 3S1P | 11.1 V | 2.5-3.5 Ah | Small drones, RC devices |
| 3S3P | 11.1 V | 7.5-10.5 Ah | Mid-size UAVs |
| 4S2P | 14.8 V | 5.0-7.0 Ah | Professional cameras, drones |
| 6S2P | 22.2 V | 5.0-7.0 Ah | FPV racing drones, robotics |
| 10S3P | 37 V | 7.5-10.5 Ah | E-bikes, scooters |
| 13S5P | 48 V | 12.5-17.5 Ah | Industrial tools, e-bikes |
| 16S6P | 59.2 V | 15-21 Ah | Energy storage, medical devices |
| 24S6P | 88.8 V | 15-21 Ah | High-voltage EV or aerospace |
Diverse Applications
Our custom 18650 battery packs power a wide range of applications across multiple industries with reliable, high-performance energy solutions.
Drones & UAVs
Long flight time with high discharge power for professional and recreational drones.
- Extended flight duration
- High power output
- Lightweight design
E-Bikes & Scooters
High-capacity packs for long-distance electric mobility solutions.
- Long range capability
- Fast charging support
- Durable construction
Medical Devices
Portable diagnostic and life-support equipment with reliable power delivery.
- Medical grade safety
- Consistent performance
- Compact form factor
Power Tools
High-drain cordless tools requiring reliable, high-power battery solutions.
- High discharge capability
- Professional durability
- Temperature resistant
Energy Storage Systems
Modular and scalable storage solutions for residential and commercial use.
- Scalable capacity
- Grid integration ready
- Long cycle life
Consumer Electronics
Flashlights, laptops, and backup power packs for everyday applications.
- Versatile applications
- Reliable performance
- Cost-effective solution
Custom OEM/ODM Solutions
We design 18650 battery packs to meet your specific project requirements with comprehensive customization options and professional support.
Voltage & Capacity Customization
Tailored for application needs with flexible series/parallel configurations and capacity options from 500mAh to 200Ah.
Performance Optimization
High energy or high discharge configurations with smart battery packs featuring integrated monitoring systems.
Mechanical Design
Rugged, waterproof, or aviation-grade builds with custom connectors, casings, and sizes for specific environments.
Global Certification
Certification support for global distribution including UN38.3, CE, RoHS, and UL compliance.
Customization Parameters
Capacity Range
500mAh - 200Ah
Voltage Range
3.2V - 100V
Discharge Rate
1C - 200C
Configuration
1S-24S series options
10+ years of OEM/ODM experience with specialized focus on drone and industrial battery solutions.
Safety & Quality Assurance
Our 18650 battery packs meet the highest international safety standards with comprehensive testing and quality control processes.
International Certifications
UN38.3 Compliance
Mandatory certification for safe air and sea transport of lithium batteries worldwide.
CE & RoHS
European environmental and product safety compliance for global market access.
UL Certification
Verified product safety standards for North American market requirements.
Comprehensive Testing Protocols
Electrical Testing
Capacity, internal resistance, discharge rates, cycle life, temperature performance
Safety Testing
Nail penetration, overcharge, over-discharge, external short circuit, high temperature
Mechanical Testing
Vibration resistance, drop testing, heavy object impact, structural integrity
Environmental Testing
High temperature exposure, thermal shock, humidity resistance, storage performance
Manufacturing Excellence
BMS Integration
All battery packs include Battery Management System (BMS) for comprehensive protection and monitoring.
- Overcharge protection
- Over-discharge protection
- Short circuit protection
- Temperature monitoring
- Cell balancing
- Smart monitoring systems
Frequently Asked Questions
Common questions about our 18650 battery packs and custom solutions.
What is the difference between series and parallel configurations?
Series (S) increases voltage while parallel (P) increases capacity. For example, 3S increases voltage to 11.1V while 3P triples the capacity to 7.5-10.5Ah.
How long do 18650 battery packs last?
Our 18650 packs typically provide 500-1000+ charge cycles depending on usage patterns, depth of discharge, and operating conditions.
Can you customize the battery pack size and shape?
Yes, we offer custom casings, connectors, and form factors to meet specific space requirements and application needs.
What safety features are included?
All packs include BMS protection against overcharge, over-discharge, short circuits, and temperature extremes with optional smart monitoring.
What is the minimum order quantity?
MOQ varies by configuration and customization level. Contact us for specific requirements and volume pricing options.
How do I choose the right configuration for my application?
Consider your voltage, capacity, and discharge rate requirements. Our engineers provide free consultation to determine optimal configuration.
What certifications do your batteries have?
Our batteries comply with UN38.3, CE, RoHS, and UL standards with MSDS documentation for global shipping and distribution.
What is the typical lead time for custom packs?
Standard configurations: 7-14 days. Custom designs: 2-4 weeks depending on complexity and testing requirements.
Do you provide technical support after delivery?
Yes, we offer comprehensive technical support, integration assistance, and troubleshooting throughout the product lifecycle.
Can you ship internationally?
Yes, we ship globally with proper UN38.3 certification and transport documentation for air and sea freight.
Ready to Power Your Project?
Get in touch with our battery experts for custom 18650 solutions, technical consultation, and competitive quotes. Over 10 years of experience in lithium battery manufacturing.