• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Eastar
  • Model Number: 18650
  • Type: Li-Ion
  • Nominal Voltage: 3.7v
  • Size: AAA
  • Nominal Capacity: 2200mah
  • Warranty: 1 Year
  • Certification: CE/ROSH/UL/MSDS/UN38.3
  • Cycle life: 3000times
  • Battery type: 18650 Li-ion Battery Cells
  • Payment: T/T, Paypal or else
  • Packing: paper packaging
  • MOQ: 10pcs
  • OEM: Available

Packaging & Delivery

Packaging Details China manufacturer 3.7v 2200mah rechargeable battery , 3.7v li ion 18650 battery
Usually packing by carton case, Customize is available.
Delivery Time 7-15 work days after payment

China manufacturer 3.7v 2200mah rechargeable battery , 3.7v li ion 18650 battery



1Lasted in this field of battery for 18 years
2Never exaggerate battery capacity
3Battery management systems/PCMs are with the same quality as Seiko
4Finished battery safety performance could reach UL, CE, KPS, KC, etc. testing standard  
5Got ISO9001-2008 quality system certification 
65S factory with dust-free workshop 
7Process design far exceeds battery industry standard 
8100% quality inspection 100% quality inspection 
9One year warranty, 24 hours online service
10Professional of ODM & OEM
Products Details

Pictures of good quality rechargeable 3.7v 2200mah li ion battery with 18650 battery cell

Protection board circuit diagram of good quality rechargeable 3.7v 2200mah li ion

battery with 18650 battery cell

Related products of Li-ion 18650 battery

 Application of good quality rechargeable 3.7v 2200mah li ion battery with 18650 battery cell


This series of 3.2V&3.7V lithium ion batteries can be widely used in:

Flashlights, POS machine, fishing equipment, smart phone, bluetooth headest, loundspeakers, traffic tester, curing light, portable EGC monitor, portable oxygen making machine, portable outdoors speaker, vehicle intelligent terminal, LED light, handset...

Product Description

Technical Parameters


CellCell model2.2A-18650
rated voltage3.7V
Typical Impedance65mohm
Battery materialNMC cathode material
Battery PackCombination method1S1P
Minimal capacity2.2Ah
Nominal voltage3.7V
Max. charge voltage4.2V
Discharge cut-off voltage≤3.1V
Max Charge current0.5C
Max Working current1.5C
Standard charge current0.2C
Standard working current0.5C
Max. dimension(L×W×H)(mm)68.85*20mm
Operating temperatureCharge temperature0℃~45℃
Discharge temperature-10℃~55℃
Batterty manager systemSingle cell over-charge cut-off voltage4.2V
Single cell under-discharge cut-off voltage2.75V
over-charge release voltage4.1V
Discharge release voltage3.0V
Company Information

About Eastar Battery


Shenzhen Eastar Battery Co., Ltd was set up as a manufacturer of various batteries in 1997. Our main products include dry batteries ( carbon & alkaline), lead-acid batteries(General batteries, Auto batteries), Ni-MH/Ni-CD batteries and packs, Lithium batteries ( Li-ion, Li-PO). 

Quality is our life
As a battery manufacturing group, we have separate factory located in Guangzhou, Shenzhen and Xingfeng for different battery types. We invested much on the advanced production facilities and testing equipments. We have a powerful R&D and skillful worker group. Based on ISO9001, we built up a complete quality control system. 


The best services to you
1 year Warranty

ODM & OEM service

24 hours online service




1.  Q: Can you accept OEM and ODM Service?

      A: Yes, we supply OEM&ODM service as clients requirement.


2.  Q: Can we get samples for test?

     A: Yes, we offer sample, but free samples are not available at beginning.


3. Q: What’s your payment term?

     A: TT, L/C, West Union, Paypal etc.


4. Q: What's your warranty for products?

     A: Generally speaking, it's one year's warranty, for quality problems, we will send you a new one.


5. Q: How long will be the delivery?

     A: Usually delivery in 7-15 days, but could be change according to the quantity or other things.


6. Q: How do you control your product quality.

     A:  All batteries have 10 steps testing during the whole production.

Contact Us

Contact Us

Mark chan

Shenzhen Eastar Battery

Phone: +86 15671606270(Wechat&Whatsapp)

Tel: 0086-755-22214430

Web: www.eastarbattery.com


Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
1 Transactions 20+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $174,000
Learn More