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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: EWT
  • Model Number: 18650
  • Battery Type: Li-Ion battery
  • Nominal Voltage: 11.1v
  • Size: 20*38*135mm
  • Nominal Capacity: 6600MAH
  • color: dark blue
  • Certification: MSDS
  • Application: Keyboard
  • Type: Energy
  • Shelf life: 3 Years
  • Package: Shrink Pack
  • Voltage: 3.7V
  • Model: 18650
  • Weight: 20g
  • payment term: TT western union Paypal

Packaging & Delivery

Packaging Details carton
Delivery Time 10days

11.1v 6600mah 18650 Li-ion battery pack  3S4P


 Basic characteristics

1. Nominal Capacity:6600mAh

2. Nominal Voltage: 11.1V

3. Internal Impedance: ≤ 70m

4. Discharge Cut-off Voltage: 5.5V

5. Max Charge Voltage: 8.40±0.05V

6. Standard Charge Current: 1.1A

7. Max Charge Current: 2.2A

8. Standard Discharge Current: 2.2A

9. Max Continue Discharge Current: 4.4A

10. Max Pulse Discharge Current: 8.8A

11. Weight: 105.5±0.5g

12. Max. Dimension: Diameter(Ø): 20*38*135mm

13. Operating Temperature: Charge: 0 ~ 45 Discharge: -20 ~ 60

14. Storage Temperature: During 1 month: -5 ~ 35 During 6 months: 0 ~ 35


There are also some other cylindrical models, such as 14500, 17500, 18500, 26650, 32650, 42120 etc. With the same dimension, there are many different models with different capacity. Take the ICR18650 for example, we have 2000mAh, 2200mAh, 2400mAh, 2600mAh. Thereamong, The 1300mAh, 1500mAh models could be used discharge at 30C max.


Major applications:

EWT wantS to provide the long lasting energy for portable equipments and other applications. Our Li-ion batteries are widely used in the following areas:
1. Portable equipment: Laptop, camcorder, PDA, Digital camera, portable DVD telecommunication systems etc.
2. Home appliances: Two-way radio, Walkie-talkie, Electric toys, Electric bicycles, Emergency lighting
3. Military equipment: IR telescope
4. Medical devices
5. Power tools






Company Information

Research and Equipments

Each of our research and development scientists and engineers has over 10 years of experience in the battery industry. Equipped with facilities imported from Germany and Japan, our engineers are dedicated in developping new products to meet our customers' demands and specific requirements!


Our Services

EWT battery manufacturer introduction

EWT Battery is a Hi-Tech enterprise estabulished in 2001 in China, Which is specialized in the research, design, production and sale of primary lithium battery(Li-SCLO2, Li-MnO2, Li-SO2) ,Lithium Ion Battery,Li-polymer battery and rechargeable batteries ( NiCd, NiMH) Depending on the creative R&D center, the production base and the sale, service net, the company has offered its customers excellent products and services.




Quality and Certificate

EWT copany is ISO9001:2000 certified and the products are ROHS compliant. Our products have CE and UL certifications,with the top standard quality,our batteries are sold well in worldwide markets,including Europe,USA,Australia, Hongkong and other countries and regions. 

Packaging & Shipping

neutral export standard carton package;or as per customerized package . Single cell with PVC or paper tube , outer package with standard carton box. blister pack or shrinking pack, your requirements are warmly welcome. 

Transaction History of the Supplier

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China (Mainland)
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19 Transactions 160,000+
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 $117,000
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