How to make a Custom 18650 battery pack design
EGbatt | Expert 18650 Battery Pack Design & Custom Solutions
As a leading 18650 battery pack designer and manufacturer, EGbatt 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.
10KWh 48V 200Ah LiFePO4 lithium Powerwall battery pack for residential
The 10kWh 48V 200Ah lithium Powerwall 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.
12V 100Ah Mini Group 22NF Lithium RV Battery
Power Your RV Smarter with Mini 12V 100Ah Lithium Battery – Compact Group 22NF LiFePO4 Solution
The Mini 12V 100Ah RV lithium battery powers RVs, camper vans, and mobile off-grid systems that require a compact footprint and dependable performance. By using EVE Grade A LiFePO4 cells and a dedicated smart BMS, it delivers stable output, improved safety, and an extended cycle life—all within a space-saving design. Moreover, thanks to its lightweight construction and true drop-in compatibility, the RV lithium battery installs easily into Group 22NF battery boxes. As a result, it provides a seamless and efficient upgrade from traditional lead-acid batteries for modern RV applications12V 200Ah Slim Ultra-thin RV Lithium Battery
12V 200Ah Ultra-thin RV lithium Battery – Slim & High Performance
This 12V 200Ah ultra-thin lithium RV battery delivers a perfect balance of high capacity and compact design. Its slim form factor allows easy installation in tight spaces, making it ideal for RVs, camper vans, boats, and off-grid energy systems. Built with premium LiFePO4 cells and an advanced BMS, this battery ensures stable power output, long cycle life, and enhanced safety. It supports high-rate discharge while protecting against overcharge, over-discharge, and short circuits. Lightweight and maintenance-free, the lithium 12v 200Ah slim Rv battery fits most standard battery compartments and simplifies system upgrades. Perfect for users seeking reliable, portable, and space-saving energy solutions.12V 6Ah UPS Lithium Battery
12V 6Ah LiFePO4 Lithium Battery for UPS Backup
Compact and powerful, this 12V 6Ah LiFePO4 lithium battery delivers 76.8Wh of reliable energy for 0.5KVA UPS systems. It features a 7.5C max discharge rate (45A), enabling instant high current for critical loads. The built-in smart BMS ensures safety with protection against overcharge, over-discharge, short circuit, and extreme temperatures. Weighing just 1kg and measuring 150×68×94mm, it’s over 60% lighter than traditional lead-acid batteries. With fast charging, low self-discharge, and convenient MR30 plug-and-play terminals, it’s an ideal choice for compact, high-performance UPS backup power applications.Model: EG-1206A
- Type: UPS Lithium 12V 6Ah Battery
- Chemistry: LiFePO4 Cells
- Rated Voltage: 12.8V
- Rated Capacity: 6Ah
- Energy: 76.8Wh
- Max Discharge Current: 45A (7.5C)
- Best Match: UPS ≤ 0.5KVA
15kWh 48V 300Ah Server Rack Lithium Battery for Home Solar Energy Storage
48V 300Ah 15KWh Server Rack Battery bank
This 15kWh 51.2V 300Ah lithium server rack battery bank uses high-quality Grade A LiFePO4 cells to deliver long service life, strong safety performance, and a practical design suited for modern energy storage systems. With a 51.2V nominal voltage, the battery works smoothly with most 48V hybrid inverters. As a result, it fits well in home solar storage systems, off-grid installations, and backup power applications. In addition, the system supports parallel connection of up to 16 units, which allows users to expand capacity as their energy needs grow. It also provides more than 6,000 deep charge cycles, built-in WiFi and Bluetooth for remote monitoring, and an integrated fire suppression system. Together, these features make it a reliable and scalable energy solution for both residential and commercial use.16kWh 48V 320Ah Lithium Battery for Solar Home Energy Storage
16KWh 48V 320Ah LiFePO4 Lithium battery for Home Energy Storage
This 16kWh 51.2V 320Ah caster-mounted lithium battery powers homes, businesses, and off-grid solar systems reliably and for the long term, using premium Grade A LiFePO4 cells. It features an intelligent BMS, LCD touchscreen, and plug-and-play design to ensure safe operation, real-time monitoring, and easy integration with major inverters. Industrial-grade casters, IP65 protection, and parallel expansion allow you to install, move, and expand the system easily and flexibly.Model: EG-48V320Ah-WL
Product Name: 16kWh 51.2V 320Ah Floor-Standing Lithium Battery with WheelsBattery Type: 48V 320Ah Grade A LiFePO4 Cells
Cycle Life: >9000 Cycles (@25°C, 80% DOD)
IP Rating: IP65 Water & Dust Protection
Communication Protocols: RS485 / CAN
Display: Touch Screen LCD
Dimensions: 850(with wheels)*453*240mm34.4(with wheels)*17.7*9.5inch
Mobility: Equipped with 4 Universal Roller Wheels
Application: Residential Solar Storage, Backup Power, Off-grid, Hybrid Systems, Commercial Use
180V 6Ah 7.5C High-Rate UPS LiFePO4 Lithium Battery for 8KVA UPS system
180V 6Ah UPS Lithium battery with 7.5C Discharge for 8KVA Power output backup
The 180V 6Ah UPS Lithium Battery is built with Grade A LiFePO4 cells, offering exceptional stability, long life, and high safety standards. Designed for rack-mounted UPS systems up to 8KVA, it ensures fast response and reliable backup in mission-critical environments like data centers, server rooms, and telecom systems. This 180V 6Ah lithium iron phosphate battery supports up to 7.5C high-rate discharge and features an advanced BMS with full protection. With a compact 3U design and over 10 years of calendar life, it’s the ideal replacement for bulky lead-acid systems—offering higher efficiency, lighter weight, and smarter performanceModel: EG-18006A
- Type: UPS Lithium 192V 6Ah Battery
- Chemistry: LiFePO4 Cells
- Rated Voltage: 192V
- Rated Capacity: 6Ah
- Energy: 1152Wh
- Max Discharge Current: 45A
- Best Match: UPS ≤ 8KVA
180V 9Ah Output Power 12KVA LiFePO4 UPS lithium Battery
180V 9Ah UPS Lithium battery with 7C Discharge for 12KVA Power output backup
The 180V 9Ah UPS Lithium Battery is built with Grade A LiFePO4 cells, offering exceptional stability, long life, and high safety standards. Designed for rack-mounted UPS systems up to 12KVA, it ensures fast response and reliable backup in mission-critical environments like data centers, server rooms, and telecom systems. This 180V 9Ah lithium iron phosphate battery supports up to 7C high-rate discharge and features an advanced BMS with full protection. With a compact 2U design and over 10 years of calendar life, it’s the ideal replacement for bulky lead-acid systems—offering higher efficiency, lighter weight, and smarter performanceModel: EG-18009A
- Type: UPS Lithium 192V 9Ah Battery
- Chemistry: LiFePO4 Cells
- Rated Voltage: 192V
- Rated Capacity: 9Ah
- Energy: 1728Wh
- Max Discharge Current: 63A
- Best Match: UPS ≤ 12KVA
- Easy Expansion: supports up to 8 battery packs in parallel.
- Dimensions (L x W x H):650*438*88MM
1KWh 2KWh Portable Power Station for home backup outdoor
1KWH 2KWh Portable Power Station for Home Backup Outdoor
The 1kWh portable power station lithium battery uses durable LiFePO4 cells to deliver safe backup power for camping, travel, and emergencies. Lightweight and solar-compatible, it’s an excellent portable power station for camping or powering small devices and a camping fridge on short trips. The 2kWh portable power station lithium battery features a pure sine wave inverter and larger capacity, ideal for fridges, CPAP, tools, or eBikes. As a solar-powered portable power station, it provides clean and quiet energy for blackouts, RVs, and off-grid use. Both models are designed for reliability and affordability, with options ranging from individual units to portable power station wholesale supply, making them a practical choice for home backup and outdoor power.| Model | Capacity | Output Power | Charging Power | Dimensions (mm) | Weight |
|---|---|---|---|---|---|
| EG-PW-A1000 | 1004.8Wh | 300W | 400W | 290×130×225 | 9.9kg |
| EG-PW-A1000 Pro | 1004.8Wh | 500W | 500W | 290×150×225 | 10.8kg |
| EG-PW-A2000 | 2009.6Wh | 500W | 500W | 300×215×250 | 20.9kg |
| EG-PW-A2000 Pro | 2009.6Wh | 1000W | 1000W | 340×260×260 | 21.8kg |
230V 1000W off grid hybrid Micro inverter with battery storage
230V 1000W off grid hybrid micro inverter
The 230V 1000W off grid hybrid micro inverter with battery storage is an advanced residential solar energy solution that integrates PV input, battery storage, AC coupling, and on/off-grid switching in a single compact system. By combining multiple functions, it helps homeowners lower electricity bills, reduce reliance on the grid, and enjoy reliable backup power when needed. This 230V 1000W micro inverter off grid system offers full flexibility, allowing you to configure different operation modes according to your energy needs. With remote Wi-Fi and local monitoring via APP, you can easily track inverter status, optimize energy usage, and enjoy true energy independence.230V 800W on off grid hybrid Micro inverter with battery storage
Micro Inverter Model: EG-HX800
This 230V 800W on off grid hybrid micro inverter with battery storage is a versatile solution that supports both grid-tied and off-grid operation. In on-grid mode, it synchronizes with the utility grid to power household loads directly from solar panels and can export surplus electricity to the grid. In off-grid mode, it stores excess energy in a 48V lithium battery and delivers up to 800W of reliable AC power during outages. The 230V 800W on off grid hybrid micro inverter with battery storage helps lower energy bills, maximize solar usage, and provide seamless backup power when you need it most.24V 150Ah Forklift Lithium Battery LiFePO4 Electric Pallet Jack Battery
| Model | EG-FL-24-150Ah |
|---|---|
| Nominal Voltage | 25.6V |
| Rated Capacity | 150Ah |
| Energy | 3.84kWh |
| Cycle Life | 3,800+ cycles |
| Warranty | 10 Years |
| Protection Rating | IP65 |
| Self-Discharge Rate | <2% per month |
| Charging | Fast Charge Support(2-3h) |
| Maintenance | Maintenance-Free |
| Communication | CAN Bus (Real-Time Monitoring) |
| Weight | 62KG |
Why Choose EGbatt 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, EGbatt 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 EGbatt now to transform your power concept into a reliable, high-performance reality.
| Big Brand Batteries List | ||||
|---|---|---|---|---|
| Item | Size | Capacity | Voltage | Discharge |
| 18650 VTC4 | 18650 | 2100mAh | 3.7V | 30A |
| 18650 VTC5 | 18650 | 2600mAh | 3.7V | 20A |
| 18650 VTC5A | 18650 | 2600mAh | 3.7V | 25A |
| 18650 VTC5D | 18650 | 2800mAh | 3.7V | 25A |
| 18650 VTC6 | 18650 | 3000mAh | 3.7V | 15A |
| 18650 VTC6A | 18650 | 3000mAh | 3.7V | 20A |
| 18650 VC7 | 18650 | 3500mAh | 3.7V | 8A |
| 18650 25R | 18650 | 2500mAh | 3.7V | 20A |
| 18650 30Q | 18650 | 3000mAh | 3.7V | 15A |
| 18650 22P | 18650 | 2200mAh | 3.7V | 10A |
| 18650 22F | 18650 | 2200mAh | 3.7V | 4.4A |
| 18650 26J | 18650 | 2600mAh | 3.7V | 5.2A |
| 18650 29E | 18650 | 2900mAh | 3.7V | 5.7A |
| 18650 33G | 18650 | 3150mAh | 3.7V | 9.75A |
| 18650 35E | 18650 | 3500mAh | 3.7V | 10A |
| 18650 36G | 18650 | 3600mAh | 3.7V | 10A |
| 21700 33J | 21700 | 3300mAh | 3.7V | 3.2A |
| 21700 30T | 21700 | 3000mAh | 3.7V | 35A |
| 21700 40T | 21700 | 4000mAh | 3.7V | 30A |
| 21700 50E | 21700 | 5000mAh | 3.7V | 10A |
| 18650 HG2 | 18650 | 3000mAh | 3.7V | 20A |
| 18650 HE2 | 18650 | 2500mAh | 3.7V | 20A |
| 18650 HE4 | 18650 | 2500mAh | 3.7V | 20A |
| 18650 MG1 | 18650 | 2850mAh | 3.7V | 10A |
| 18650 MH1 | 18650 | 3200mAh | 3.7V | 10A |
| 18650 MJ1 | 18650 | 3500mAh | 3.7V | 10A |
| 18650 F1L | 18650 | 3350mAh | 3.7V | 4.8A |
| NCR 18650PF | 18650 | 2900mAh | 3.7V | 10A |
| NCR 18650B | 18650 | 3400mAh | 3.7V | 4.9A |
| NCR 18650BF | 18650 | 3200mAh | 3.7V | 4.87A |
| NCR 18650BD | 18650 | 2850mAh | 3.7V | 10A |
| NCR 18650G | 18650 | 3600mAh | 3.7V | 7.2A |
| NCR 18650GA | 18650 | 3450mAh | 3.7V | 10A |
| NCR 20700A | 20700 | 3300mAh | 3.7V | 30A |
| NCR 20700B | 20700 | 4200mAh | 3.7V | 15A |
| NCR 20700C | 20700 | 4000mAh | 3.7V | 20A |