How to make a Custom 18650 battery pack design
CMX Battery | Expert 18650 Battery Pack Design & Custom Solutions
As a leading 18650 battery pack designer and manufacturer, CMX Battery specializes in custom 18650 battery pack solutions engineered for performance, safety, and reliability. Whether you are looking for a 12v 18650 battery pack design or a complex lithium ion 18650 battery pack design, our team provides end-to-end development—from concept and prototyping to full-scale production.
1000kWh Mobile BESS EV Charging Station for Emergency Power & Heavy-Duty Vehicle Fast Charging
CMX Battery 1000 kWh commercial energy storage system — factory-direct from a LiFePO4 battery manufacturer and OEM/ODM partner, supplied wholesale and in bulk with private-label options.
- Performance: 6,000+ cycles @ 80% DoD with Grade A automotive cells and smart BMS protection; 5–10 year warranty.
- Compliance: Certified to CE, RoHS, UN38.3 and IEC62619 (UL available); CAN / RS485 / RS232 for inverter and EMS integration.
- Best for: Factory and commercial peak shaving; Microgrid and islanded sites; Solar + storage for warehouses.
105kW/232kWh Liquid Cooling outdoor ESS | Factory Peak Shaving
10KWh 48V 200Ah LiFePO4 lithium battery pack for residential
The 10kWh 48V 200Ah lithium battery is a high-performance solar home lithium battery, built with advanced LiFePO4 battery cells for maximum safety, efficiency, and durability. Designed for residential solar energy storage, this 10KWh lithium battery delivers stable power output, over 6000 cycles of long life, and excellent thermal stability.
Perfect for both new and retrofit solar installations, this wall-mounted 10kWh 48V 200Ah LiFePO4 battery offers compact size, easy installation, and wide inverter compatibility. Whether you're upgrading your off-grid system or adding backup power to your grid-tied home, this solar lithium battery provides a reliable, safe, and future-ready energy storage solution.
120kW Split DC Fast Charger for Commercial EV Charging Stations
- Charger Type: Split DC Fast Charger (Power Cabinet + Dispensing Terminals)
- Total Output Power: 120 kW, dynamically allocated across 4 charging points
- Voltage Range: 200–1000 V ultra-wide output, compatible with all EVs
- Efficiency: ≥ 96% high-efficiency DC conversion
- Power Management: Intelligent load allocation & dynamic load balancing
- Applications: Commercial charging stations, fleet depots, public EV networks
- Operational Savings: Up to 25% lower electricity costs via smart load distribution
- Future-Proof: Designed for current and next-generation electric vehicles
125kW 418kWh Liquid-Cooled BESS | Commercial Solar Battery Storage System Manufacturer
CMX Battery 418 kWh 125 kW commercial energy storage system — factory-direct from a LiFePO4 battery manufacturer and OEM/ODM partner, supplied wholesale and in bulk with private-label options.
- Performance: 6,000+ cycles @ 80% DoD with Grade A automotive cells and smart BMS protection; 5–10 year warranty.
- Compliance: Certified to CE, RoHS, UN38.3 and IEC62619 (UL available); CAN / RS485 / RS232 for inverter and EMS integration.
- Best for: Factory and commercial peak shaving; Microgrid and islanded sites; Solar + storage for warehouses.
125kW/261kWh Liquid-Cooled Integrated Energy Storage Cabinet
- All-in-one plug-and-play design with factory-integrated PCS, BMS, EMS, and liquid cooling system
- 125KW+261KWh BESS delivering 125 kW power and 261 kWh energy in a single compact cabinet
- Advanced liquid cooling for optimal performance from -30°C to 60°C
- Premium EVE LFP cells with 832V high-voltage architecture and ≥6000 cycles
- Multi-layer hybrid fire suppression using Novec 1230
- IP54 outdoor-rated with surge protection, dehumidifier, and water-leak sensor
12V 100Ah Mini Group 22NF Lithium RV Battery
12V 200Ah Slim Ultra-thin RV Lithium Battery
Why Choose CMX Battery for Your 18650 Battery Pack Design?
With deep expertise in custom battery design, we serve as your trusted 18650 pack builder for a wide range of applications. Our design process integrates advanced simulation, careful cell selection, intelligent BMS configuration, and mechanical engineering to produce packs that meet precise electrical, dimensional, and environmental requirements.
We simplify the journey from idea to finished product—serving as your complete 18650 battery pack builder and technical partner.
Our End-to-End Design & Development Process
- Requirement Analysis
Our engineers work with you to define voltage, capacity, discharge rate (C-rate), cycle life, operating temperature, and physical constraints. - Cell Selection & Configuration
We choose optimal 18650 cells from top manufacturers (Samsung, Sony, Panasonic, LG) and design the series-parallel configuration to meet your energy and power needs. - BMS/PCM Design
We develop a custom Battery Management System (BMS) or Protection Circuit Module (PCM) with features such as:
- Overcharge/over-discharge protection
- Short-circuit and temperature protection
- Cell balancing
- Optional communication interfaces (UART, I2C, Bluetooth)
- Mechanical & Thermal Design
Our team designs enclosures using heat-shrink tubing, custom ABS plastic, or metal housings—ensuring durability, safety, and efficient thermal management. - Prototyping & Testing
We build fully functional prototypes for validation, performing electrical, environmental, and safety tests to ensure compliance with your specifications. - Production & Quality Assurance
After approval, we move into scaled manufacturing with rigorous QA checks at each stage, delivering consistent, high-quality custom 18650 battery packs.
Technical Capabilities at a Glance
| Aspect | Our Capability |
|---|---|
| Voltage Range | 3.7V (1S) to 72V+ (20S+) configurations |
| Capacity Range | From 2Ah to 100+ Ah, scalable based on parallel cell configurations |
| Discharge Current | Standard to high-drain designs (up to 30A per cell; packs supporting 300A+) |
| BMS Intelligence | Basic protection to smart BMS with comms (SOC, SOH, Bluetooth, data logging) |
| Enclosure Options | PVC shrink, custom plastic (ABS/PC), aluminum casing, customer-provided housings |
| Certifications Support | Designed to meet UL, CE, IEC, and other relevant standards |
Common Configurations & Applications
- 12V 18650 Battery Packs: Ideal for portable electronics, backup systems, robotics, and lighting.
- 24V/36V/48V Packs: Used in e-bikes, scooters, power tools, medical carts, and industrial equipment.
- High-Energy Packs: For solar energy storage, UPS backups, and telecom systems.
- High-Power Packs: For electric vehicles, drones, and specialized industrial tools.
Whether you need a 18650 battery pack design for a prototype or high-volume production, CMX Battery delivers optimized solutions that balance performance, cost, and reliability.
Start Your Custom 18650 Battery Pack Project Today
Leverage our expertise as a seasoned 18650 battery pack designer and builder. Share your requirements, and we will provide a tailored design proposal, prototype timeline, and competitive quotation.
Contact CMX Battery now to transform your power concept into a reliable, high-performance reality.