CMX: The Most Professinal #1 Designer on 18650 battery packs

With over 20,000+ Factory and Applications, CMX Providesmost complete and reliable 18650 battery pack design.

What we do? Custom 18650 battery pack design

Simply Contact with our Sales engineer Your application type, Discharge capability.. We will gather from you based on the application. Get ready on the first prototype, when you recieved and approvided the prototypeStart the bulk production the the 18650 battery pack!

Provide Fully Solution on battery management system design. Make sure a efficient Protection.
Maximun optimize the Battery demensions. Based on the application, give recommendation on 18650 cell selection.
Provide 18650 Battery casing design. We accept customer’s drawing design. And also we can make desgin based on requirments.

Learn Custom Design!

18650 battery cell: Use the right 18650 battery cells!

There are too many different type of 18650 battery cells in market. Based on your application, it’s important to select a right 18650 lithium ion battery

Popular Brand li ion rechargeable battery 18650

Samsung 18650 cells

Sony 18650 battery

Panasonic 18650 cells top button

LG lithium ion battery 18650

There is a reason why these brand 18650 cells became famous or popular in people’s mind. Popular brand li ion rechargeable battery 18650 cells is easy to get with High quality, stable discharge, long life cycles. At the same time, there are expensive in price. For example, when make a battery pack for medical treatment device, we would recommed these brand like Samsung, Sony, LG, Panasonic..Becasue these kind of device can’t afford a failue from the 18650 battery pack. Some times, we would rather pay more to keep away from troubles. Like we always saying, nothing is worth more then people’s life.

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

Custom 18650 battery pack BMS/PCM Selection

1S 3.7v or 3.2v PCM

3S 11.1v 18650 battery pack BMS

4S 14.8v 18650 battery pack BMS

8S 25.6v Battery pack BMS

8S 18650 24v BMS for LiFePo4

Smart BMS with UART/485 Bluetooth

BMS with SoC I2C DATA COMMUNICATION

Battery managment system with Relay

It is necessary to have a right BMS or PCM( also call PCB) protection for the 18650 battery pack design. Only with a BMS, it could be a complete pack. Custom 18650 battery pack design required a custom BMS also. We provide full solution on BMS part. Like 1 single cell PCB, 2S for 7.4 volt. 3S for 12 volt, 4S for LiFePo4 cells. 8S, 10S, 13S, 16S. S means series in short. The discharge current design could be custom also. From small mA to largest 600A discharge current. Our BMS can optional with Bluetooth for communication. UART/485, BQ40Z50. For large system, we can provide design with relay.

Custom 18650 battery pack Casing Design

Simply with heat shrink PVC pack design. Heat shrink PVC for small 18650 battery pack design is very popular.
Embedded Custom battery casing. We can design any ABS casing for your battery pack. Embedded with your devices.
With Standard ABS design. The most popular model as our 12volt and 24 volt Battery packs
Design battery casing with metal. Stainless steel provide strong protection for large battery system.
Design the standard 19-inch rack module for Energy storage systems. Like BYD B-box or pylontech Style.
Other Battery casing based on given design from customer.

Why Work with CMX?

CMX provide standard size with various capacity options: From 1500mAh to 3500mAh individual battery cells are optional for different electric modules.
Various output current and voltage: The charging limit voltage from 4.2V to 4.35V and high drain maximum 30A of individual battery cell for many special applications.
Wide operating temperature: From -20 degree C to 60 degree C could meet almost civil electric applications.
Flexible battery pack shape: The battery pack could be tailored square,round,triangle,tube,or other irregular shape.
High quality with long-term warranty: 12-24 months warranty limited after sold.
Lightweight, free-maintenance,small size, high energy: Comparing with acid-lead, Ni-MH,Ni-CD rechargeable batteries, Li ion battery pack could save much size and weight.

E-bike, scooter, E-chairs & Golf-cart: These kinds of applications require high power voltage and high safety li ion batteries pack of 24V,36V,48V,60V,72V. We make all of battery packs with original 18650 battery cells from Samsung, Sanyo or Panasonic, and built smart BMS in the battery pack.

Fish-boat & Robot & handle electric tools: Li ion battery cell the model of 18650 is the most popular to make battery packs used for these sort of applications due to its flexible shape, high drain discharging.

Uninterruptable power system for telecom station base, LED/LCD advertising billboard and solar panel system: These electric modules require li ion battery pack as DC power supplying, may need battery packs come with high capacity(Ah) and high voltage, but also need battery pack having integrated BMS with LCD parameter display for set-up and reconfiguration. CMX developed mature BMS solutions of Li ion battery pack with remote management functions that insure you to manage and monitor your battery power supply by internet.