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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: cendao lithium polymer battery
  • Model Number: 451940
  • Type: Li-polymer
  • Nominal Voltage: 3.7V
  • Size: 4.5*38*40mm
  • Nominal Capacity: 310mah
  • brand: cendao lithium polymer battery cell
  • capacity: 310mah
  • norminal voltage: 3.7v
  • charge voltage: 4.2v
  • Charge current: 0.2C/0.5C
  • Life cycle: more than 500 times
  • Dimensions: 4.5mm (T)* 38mm(W)* 40mm(L)
  • Standard Charging time: 5.0 hours
  • Discharge cut-off voltage: 3.0V

Packaging & Delivery

Packaging Details: according to your requirement
Delivery Detail: 15

Specifications

capacity: 310mah
Nominal Voltage:3.7V
Dimensions: 4.5mm (T)* 19mm(W)* 40mm(L)

 
Product Description

 

Small size 3.7V li-ion polymer battery cell dimension 451940 lithium-ion polymer battery 

 

parameter

 

 

NO.

 

Description.

Specification

Remark

1

Battery Model

451940

 

2

Minimal Capacity

310mAh

0.2C

3

Rated Capacity

310mAh

0.2C

4

Nominal Voltage

3.7V

 

5

charge voltage

4.20±0.025V

 

6

discharge voltage

3.0±0.05V

 

10

 Storage Temperature

-5-35°C

 

11

Inner Impedance

≤100mΩ

 

13

Max continue discharge current

1.0C

 

14

Max charge current

1.0C

 

 

 

 

 

 
Packaging & Shipping

 

Notice: DHL/UPS/Fedex express usually takes about 3-5 working days to the destination, and it’s about 5-8 work days by EMS or TNT.

 

Samples& small batch of goods shipping:

 

 

 

1. Samples would be sent through express. So do small batch of goods if it is urgent. Delivery time would be longer than other general cargo because power bank and lithium battery are classified into sensitive products.

 

2. We have long-term cooperation with express companies which can offer super service quality and competitive price and are always ready to deliver goods in fastest and free-from-worry way, if there is no appointed forwarder.

 

 

 

 

 

 

 

Our Services

Sample:
1 The samples will be sent out in 3to 5days with our own brand.
2 The samples will be sent out in about 7 days with OEM logo after confirmation of our design draft according to the source file offered by customers. It will take a little longer if has too complicate process requirement.
After-sale service:
1 .We will organize a team with sales, engineers and technologists to analyze defective products and try to reduce reject ratio if it is between 5‰~1%. Meanwhile, defective products would be written down on next order.
2 We will arrange engineers and sales to solve problems if reject ratio is up to 1%. Otherwise, we will ask for face-to-face communication for an ideal processing scheme.

 

 

  

 

 
Company Information
we are specializing in the proiduction of lipo battery and there is no doubt that we can meet any requirements of you.
Here is our producing process , 100% orginal from our factory. welcome to visit  our factory

 

  

 

 

 

 

 

 
FAQ

If you are interested in our products, please feel free to contact us, Our sales team would provide

professional service and information that you required, If we are not on line, please leave your

contact details, We will get back to you soon.

 

 

 

  

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