3.7v 8800mAh 18650 l ion battery pack 4P with PCB

18650 Li-ion batteries are the battery of choice when designing for higher voltage and current requirements. Li-ion have relatively low self-discharge rates, and are capable of high discharge currents and better performance than nickel and lead based batteries.

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Electric bicycle

Electric motorcycle

Electric tricycle

Electric boat


Energy storage

RC toy

Led light

Street light


Medical Equipment



18650 battery pack is used for many of electric devices, it can be made based on electric devices power requirements, The best advantages are lighter , size smaller, easier suitable. Customized battery pack service are following: 


Battery cell can be choose for China brands or LG SAMSUNG SONY PANASONIC

PCB parameter could change based on application

VODNO provide difference color of plastic PVC.

Buyer’s logo printing on battery requirement are welcome

Design battery size and solution in free service

Buyer advise connector type in order to assembly easily.


Connector types for your choice. If you can't find exact ones, You need tell us model number, We are able to build battery pack with it accordingly.






Typical Capacity                

8800mAh          @ 0.2C Discharge  

Minimum capacity     

8780mAh          @ 0.2C Discharge

Nominal voltage            


Standard Charge                                

CC/CV,0.2C5A, 4.20V

Standard Discharge            

CC,0.2C5A, 3.00V 

End-of-charge  Voltage  


End-of-charge Current    

0.02C5A (At CV mode)

End-of-discharge Voltage  

3.00 V

Charging Time          

8.0hours(standard charge) 8小时

Quick Charge Current    

8800mA    (1.0C5rate)

Quick Discharge Current 

17600mA   (2.0C5rate)

Max Discharge Current  

26400mA   (3.0C5rate)

Initial Impedance        




Operating temperature     

Charging:  0℃~45℃


Storage temperature       


Storage Humidity        

≤75% RH


Without scratch, distortion, contamination and leakage

Standard environmental condition


Temperature               : 25±2℃

 Humidity                  :  45-75%RH

Atmospheric Pressure       : 86-106 KPA


If your electrical device needs battery pack, pls contact us for more details, Here you could find suitable battery pack. 

Telecommunication: cellular phone, web phone, interphone, wireless earphone.

Portable office devices: Notebook, PDA, portable electrograph, portable printer. 

Video devices: GPS, digital camera, camcorder, portable DVD, portable television, MP3, MP4. 

Portable exchange devices: POS, Handy, Fingerprint machine, portable stock machine. 

Illuminate devices: miner lamp, searchlight.

Others: toys, models.

About us

Vodno Technology Co., Ltd. was founded in 2010, the predecessor of the lithium material, electric bike battery, and the core production-based manufacturers, after nearly seven years of development, has developed into a product design and development, battery solutions and electronic circuit program Design, battery production and quality control, sales in one of the high-tech Co., Ltd., and become the battery industry's leading enterprises. Vodno take a senior engineer of the engineering and technical team as the core,after the years of practice summed up a set of highly efficient and accurate design standards and production management practices to ensurethat each design, each product is uncompromising attention to excellence. "Treat every client with sincerity, implement every promise" is Vodno's corporate culture, scientific management, rigorous attitude, high-quality elite to Vodno brought rapid growth, won the recognition of overseas customers around the world.Now, Vodno Technology Co., Ltd. has more than 20 countries and regions around the world with a number of well-known enterprises to cooperate, many of them like "Foxconn" the world's top 500 enterprises, and most products have been CE, ROHS, UN, etc. International Standard Certification. Today, Vodno has grown into a trusted gold supplier in the battery industry.


Q1.: Does VODNO support door to door shipping? drop ship ?
A1.: Yes. Normally we can arrange DHL,UPS,FedEx to delivery it to the destination by door to door including tax if the unit weight of the lithium battery is below 30kg, .(Kindly note: Lithium battery freight fee is a little bit higher than normal product). meanwhile we can arrange ship by sea after discuss with you if your order weight is huge.

Q2.: How can I resell lithium batteries well in my market ?
A2.: Firstly do market research, learn more knowledge about lithium battery and application. We can to be your battery factory and support your business in your market.

Q3.: Why VODNO guys ask me so many questions? I just want to know the price !!
A3.: Sorry for that. Lithium battery is different from lead acid battery, discharge current is different, the cost is different even the same capacity and voltage, we just want to provide you exact battery pack in reasonable cost in that case you could get good business in your country. we don't want to wast your time and money.

Q4. Does VODNO battery include BMS? Can we use it for vehicle?
A4: Yes, our battery pack include BMS, the data is come from your information. If you want to use special BMS with NTC or other communication, please inform us, we need to adopt more complex design BMS and different technology solution.

Q5. What is your warranty?
A5: Our standard warranty is 1 year. 500 times at 80%DOD for li ion battery. 2000 times at 80% DOD for lifepo4. We have a complete warranty policy documents, please feel free to contact us to get it.

What is Your Application?Talk to us, Vodno Battery Experts will offer you a best solution

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