18650 lithium ion battery pack 7.4V 4400mAh for bike head light

18650 lithium ion battery pack 7.4V 4400mAh for bike head light

Negotiable /Piece

Min.Order:100 Pieces

Supply Ability:
10000 Piece / Pieces per Month
Port:
ShenZhen
Payment Terms:
T/T L/C D/P D/A

Quick Details View All >

Place of Origin:
China
Brand Name:
DELONG
Model Number:
DL-CR2S2P
Composed Type:
Other, 2S2P
Type:
Li-Ion
Size:
37*37*68mm

Shenzhen Delong Energy Technology Co., Ltd.

Business Type: Manufacturer,Trading Company
Shenzhen Guangdong China
Main Products: Lithium ion polymer battery ,portable power bank ,12v rechargeable lithium battery pack ,cylindrical lithium battery pack ,qc 2.0 fast charging power bank

Product Details

Bike head light Rechargeable battery 18650 7.4V 4400mah 2S2P

Specification:

 1)Nominal voltage : 7.4V 

 2) Typical capacity  4400mAh 

 3)  Innner impedance  ≤80mΩ

4) Discharge cut off voltage :4.8V 

5) Charge protection voltage :8.5V 

6) Max charge current : 0.5C charge current  

7) Max discharge current : 2C discharge current 

 8) Charing method CC-CV 

9) working temperature : charge : -20~45°C,45~85%RH Discharge: -20~60°C,45~85%RH

 

18650 lithium ion battery pack 7.4V 4400mAh for bike head light
 
 

 

Features :

  1. 100% A grade cell with real capacity 

  2. We will guarantee the cycle life of our battery should not less than 500 times 

  3. Excellent BMS protection functions which could protect the battery from any damages come from over-charge ,over-discharge ,short-circuit 

      even reverse connection protection etc .

  4. We could design a different type battery pack in according to different application purpose : Such as High temperature application ,Low Temperature 

    Application ,High discharge rate current application  etc 

  5. Application : our cylindrical battery pack could be widely applied on such areas :Electric tool battery pack ,UPS back-up power system,loud speaker device 

 Bluetooth ,MP3 ,MP4 ,medical device  ,PDA , electric vehicle , POS Machine, Alarm Monitor etc 

 

Model list of single cylindrical cell :

 

ModelVoltage(V)Capacity(mAh)Diameter(mm)heightweight approx(g)Discharge rate
DL186503.6150018.065.04010C or 15C-25c
3.6130018.065.04010c-20C
3.6220018.065.0402C
3.6200018.065.0402C
3.6180018.065.04010C
DL185003.6140018.050.0352c
3.6130018.050.0332C
3.6110018.050.03210C or 20C
DL 175003.685017.050.03010C
DL 176703.6150017.067.0382C
DL 144303.070014.043.0432c
DL 145003.665014.050.0282c
DL 226503.2210026.065.0883c or 25C-30C
DL 266503.6300026.065.09010c -20C
DL 266503.6400026.065.0952c
DL 224303.6   130022.043.04210c or 10C-20c
DL 326503.6500032.065.01353c or 2C
Lifepo4 Cylindrical battery system 
ModelVoltage(v) Capacity (mAh)Diameter(mm)Height(mm)weight(g)Cycle life 
LF18650FP3.011001864.540300
LF32650FP3.038003264.5128300
LF26650FP3.024002664.580300
LF17500FP3.070016.6548.526300
LF32650F3.042003264.5132500
LF26650F3.0    24002664.583500
LF18740F3.0150018.0571.3542500
LF18650F3.0135018.0564.540500
LF18500F3.095018.0548.528500
LF17500F3.075016.6548.526500
LF14500F3.050013.9548.520500
LF17335F3.050017.033.717300

 

 

 

 

     

 

 

Contact Supplier

Ms. Yijuan Zhu Manager Chat Now
Telephone
0086-0755-61186759-607
Mobile
13632964067
Fax
0086-0755-33815254
Address
A building ,LongQuan Industrial Zone ,DaLang street ,LongHua district ,ShenZhen,China Shenzhen,Guangdong

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