Guangdong, China
Business Type:
Manufacturer/Factory
Registered Capital:
1000000 RMB
Plant Area:
>2000 square meters
Management System Certification:
ISO 9001, ISO 14001, QC 080000
Average Lead Time:
Peak season lead time: one month
Off season lead time: within 15 workday
OEM/ODM Service
Sample Available

21700 Battery, 21700, Samsung 21700 manufacturer / supplier in China, offering 3.7V 4000mAh Li-ion 21700 Battery for Samsung Electric Bike Battery, 401230 3.7V Bluetooth Headset Polymer Lithium Battery, 602040 3.7V Rechargeable Polymer Lithium Battery and so on.

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Supplier Homepage Products Lithium ion battery 18650 battery 3.7V 4000mAh Li-ion 21700 Battery for Samsung Electric Bike Battery

3.7V 4000mAh Li-ion 21700 Battery for Samsung  Electric Bike Battery

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $1-3/ Piece
Port: Hong Kong, Hong Kong
Production Capacity: 10000 PCS Per Day
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram
Type: Lithium Battery
Charger Type: Electric Charger
Charger Application: Tablet, Laptop, Video Game Player, MP3/MP4 Player, Camera, Standard Battery, Power Tools
Nominal Voltage: 3.7V
Charger Style: Simple Charger
Compatible Battery Type: 18650

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Basic Info

Model NO.: 21700
Size: 18650
Certification: PSE, CB, UL, CE
Socket Type: For USA/Canada
Recyclable: Recyclable
Cycle Life: 700 Times
OEM/ODM: Acceptable
Weight: 70g
Trademark: Newhop
Transport Package: 100PCS in a Small Box, 400PCS in a Carton
Specification: 21.5mm(diameter)*70mm(height)
Origin: Shenzhen

Product Description

3.7v 4000mah li-ion 21700 battery for Samsung electric bike battery
3.7V 4000mAh Li-ion 21700 Battery for Samsung Electric Bike Battery
 

NO.

Item 

Specifications

4.1

Nominal capacity          

4000mah          0.5C Discharge  

4.2

Nominal voltage        

3.7V

4.3

Charge current            

Standard Charge 0.5C

Rapid charge  1.0C

4.4

Standard Charging method

0.5C CC(constant current)charge to 4.2V,then CV(constant voltage 4.2V)

charge till charge current decline to ≤0.01C

4.5

Charging time              

Standard Charging Approx 5 hours 

Rapid charge Approx 2 .5hours

4.6

Max.charge current    

1C

4.7

Max.discharge current   

2c

4.8

Standard Discharge Current

1c

4.9

Discharge cut-off voltage 

3.0V

4.10

Charge cut-off Voltage 

4.20V

4.11

Initial Impedance    

≤ 60momh        

4.12

 Weight              

Approx 75g

4.13

Operating temperature   

Charging  0~45 degrees Celsius 

Discharging -20~60 degrees Celsius 

4.14

Storage temperature   

0-25  degrees Celsius 

4.15

Storage Humidity      

≤75% RH

4.16

Appearance           

Without scratch,distortion,contamination and leakage

4.17

Standard environmental condition

Temperature 23±5 degrees Celsius 

 Humidity 45-75%RH

Atmospheric Pressure 86-106 Kpa

We also offer 3.7v 7.4v 11.1v 12v 14.8v 24v 36v 48v 72v li-ion battery pack assembly service:
3.7V 4000mAh Li-ion 21700 Battery for Samsung Electric Bike Battery
3.7V 4000mAh Li-ion 21700 Battery for Samsung Electric Bike Battery

Testing Equipment:All the lithium battery 100% testing before ship to our customers.
3.7V 4000mAh Li-ion 21700 Battery for Samsung Electric Bike Battery
3.7V 4000mAh Li-ion 21700 Battery for Samsung Electric Bike Battery

Certifications:
3.7V 4000mAh Li-ion 21700 Battery for Samsung Electric Bike Battery

FAQ:

1, What is your MOQ?

      Re: If we have cells in stock,MOQ 1pcs,if its mass production model,MOQ:1000pcs,A new model MOQ:3000pcs

2,  How many lifetime we could get of the lithium battery and lifepo4 battery and nimh battery?

     Re: lithium battery and nimh battery cycle life about 500-700 times, NCM lithium ion cells about 1000 times,lifepo4 2500 times.

3, How to place the order with yours.

    Re:There are two ways to place order with us.  Amount over USD 1000,you can place the credit order on line via alibaba.

The other contact our service workers and send us the e-mail and place the orders.

4, How to make the payment?

   RE: We accept Credit order on line via alibaba and TT, Western Union,PAYPAL and LC in sight.

5, What is the lead time?

   Re:  3-5 days for cells in stock, new make models cost about 15-35 days;

6, What about your warranty?

   Re:  lifepo4 battery 2 years,other batteries for 1 year.
 

Buyer Feedback

If you need any help,please feel free contact us.

 
Contact:Mr.Felix Huang
 
Tel:+86-134 1861 6434
Fax:+86-755 2801 4295

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