Gold Member Since 2016
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Ubetter Technology Company Limited

Battery, Li-ion Battery Pack, Power Sopply manufacturer / supplier in China, offering Lithium Battery Pack 7.4V 4400mAh 18650 Battery for Power Supply, 18650 Lithium Battery Pack 12V 33.8ah for E-Tools, LiFePO4 12.8V 9ah for Solar System, Street Light and so on.

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Supplier Homepage Product Lithium ion battery 7.4v li-ion battery pack Lithium Battery Pack 7.4V 4400mAh 18650 Battery for Power Supply

Lithium Battery Pack 7.4V 4400mAh 18650 Battery for Power Supply

FOB Price: Get Latest Price
Min. Order: 500 Pieces
Production Capacity: 100000/Year
Transport Package: OEM Paking
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: UB-7.4V 4400mAh
  • Connection Mode: Series and Parallel
  • Discharge Rate: High Discharge Rate
  • Accessories Type: Battery
  • Standard Voltage: 7.4V
  • Electrolyte: Lithium-Ion
  • Certicification: Ce/RoHS
  • Specification: Small size
  • HS Code: 8507600090
  • Type: Lithium-Ion Battery Pack
  • Rechargeable: Chargeable
  • Size: Small
  • Rated Capacity: 4400mAh
  • Usage: LED Light
  • Weight: 100g
  • Trademark: UBETTER
  • Origin: China
Product Description
li ion battery pack 7.4V 4400mAh 18650 battery for power supply

Lithium Battery Pack 7.4V 4400mAh 18650 Battery for Power Supply

li ion battery pack 7.4V 4400mAh 18650 battery for power supply

Specification:

NO.

 

Item

Specifications

1

Norminal capacity

4400mAh         0.2C Discharge

Minimum capacity      

4300mAh         0.2C Discharge

2

Nominal voltage            

7.4V

3

Charge current            

Standard Charge :0.2C

Rapid charge   :1.0C

4

Standard Charging method

0.2C CC(constant current)charge to 8.4V,then CV(constant voltage 8.4V)charge till charge current decline to ≤0.01C

5

Charging time              

Standard Charging

Approx 5 hours

Rapid charge

Approx 1.2hours

6

Max.charge current    

Constant Current 1C Constant Voltage 8.4V 0.01C cut-off

7

Max.discharge current  

Constant current 1.0C end voltage 6.0V

8

Standard Discharge Current

Constant current 0.2 C end voltage 6.0V

9

Discharge cut-off voltage

6.0V

10

Max charge voltage

8.4V

11

Initial Impedance          

≤80mW       

12

Weight                  

Approx:190g

13

Operating temperature    

Charging: 0ºC~45ºC

Discharging:-20ºC~60ºC

14

Storage temperature      

-5ºC~35ºC

   15

Storage Humidity        

≤75% RH

16

Appearance              

Without scratch,distortion,contamination and leakage

17

Standard environmental condition

 

Temperature         : 23±5ºC

Humidity            : 45-75%RH

Atmospheric Pressure    : 86-106 Kpa


Company information 
-Ubetter is a leading manufacturer of battery in China for over 6 years , Ubetter brand has been successfully established and highly recognized in the domestic market as well as abroad.
 
Lithium Battery Pack 7.4V 4400mAh 18650 Battery for Power Supply
Lithium Battery Pack 7.4V 4400mAh 18650 Battery for Power Supply
Lithium Battery Pack 7.4V 4400mAh 18650 Battery for Power Supply
Certification:
UL1642 approval
UN38.3 approval
ROHS compliant
CE compliant
 
Applications:
Flashlight, MP3,Hand Electric Drill, Medical Apparatus, LED Light, Meter & Instruments,mobile phone, walkie-talkie, household electrical appliances, home telephone set and more, widely used for our daily life.
 
Features:
Lightweight and high-energy density
Ultrathin and can be different shapes
No memory effort
Long cycle lifespan over 500 cycles
Minimal self-discharge
Eco-friendly
 
Our advantages:

Excellent staff team
Perfect company system and a steady financial condition
Strong production
Fast delivery
Good after-sale service
Large consumer group,can bring you large profits as well .
 
Packaging and shipping:
Blister card ,PVC shrink ,gift box, nude packing , OEM packing and more
Lead-time:3-20 working days for normal orders.

Quality and Guarantee:
Product standard: From design, material preparation to production, quality control, sales and customers service, MassPower batteries follow the ISO9001, CE, RoHS international standard.

Life expectancy: 
All MassPower batteries use full A+ battery cells. No A or B grade low quality cells inside so that MassPower batteries have longer working life and larger capacity. We guarantee full and real labeled capacity.

Power management: 
All MassPower rechargeable batteries have built-in high quality PCB board, charging protectors, thermal protectors and circuit breakers, effectively avoiding the over-charge, over-discharge, over heating and short circuit. You will have complate confidence on our products.

Shenzhen Ubetter Technology Company Ltd.
Cellphone: +0086-13537782427
 
 

 


 
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