EFEST IMR 21700 4000mAh 30A Rechargeable High Power Imr 21700 Flat Top 21700 lithium ion battery

$4.90 / Piece | 1 Piece (Min. Order)
Nominal Capacity:
3700mAh
Nominal Voltage:
3.7V lithium battery
Battery Size:
21700
$4.90
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Shipping fee:
Depends on the order quantity.
Lead Time:
3 day(s) after payment received
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Overview
Quick Details
Place of Origin:
Guangdong, China
Brand Name:
efest
Model Number:
21700
Type:
Li-Ion
Brand:
Efest
Model:
21700
Color:
purple
Voltage:
3.7V
Top:
flat top
Warranty:
3 months
Weight:
62
Cycle life:
500 Times

Packaging & Delivery

Selling Units:
Single item
Single package size: 
6.5X1.8X6.5 cm
Single gross weight:
55.0 kg
Package Type:
Single battery per single case EFEST IMR 21700 4000mAh 30A Rechargeable High powe inr21700 Flat Top Vape Mod 21700 lithium ion battery
Lead Time :
Quantity(Piece) 1 - 10000 >10000
Est. Time(days) 3 To be negotiated
Video Description

EFEST IMR 21700 4000mAh 30A Rechargeable High Power Imr 21700 Flat Top 21700 lithium ion battery

Whats app/Wechat: 8613112796957
Skype:cherryfest1


Product Description

 

 

 
No.
Item
Specification
1
Nominal capacity
4000mAh
2
Typical Capacity
3750mAh
3
Charge Voltage
 4.2V±0.05V
4
Nominal Voltage
 3.6V
5
Charging method
 CC-CV (2.5V cut-off)
6
Standard Charge
Constant current : 2000mA
Constant voltage : 4.2V 
Charging time : 180min.
7
Max. Discharge Current 
 15A (continuous discharge)
8
Cell Weight 
Approx : 76G
9
Operating Temperature 
Charge : 0 ~ 45°C
Discharge : -20~ 60°C
10
Storage Temperature
1 month : -20 ~ 60°C
3 months : -20 ~40°C
1 year : -20 ~ 25°C
11
Cell Dimension
Height : 65.0 ± 0.2 mm
Diameter : 18.0 +0.2/-0.3 mm

 

 

 

Packaging & Shipping

Certifications:

Kindly Reminder:

All our certifications is  REAL ONE.
NOT FAKE , NOT FAKE , NOT FAKE !!!
PLEASE CONTACT US TO SHOW YOU!!!
 
WE HAVE CERTIFICATION FOR : 
* Charger CE,ROHS,UL,FCC 
* Batteries CE,ROHS,UL,FCC,MSDS,UN38.3 Certification for Safe Transport of Goods

 

 

 

Packing: 

Packing Details:
* Gift packing for each item. Standard weight and outer package for all shipping method.

 

 

 

Delivery Details:

  • Within 2-3 days after receiving payment(based on actual quantity)
  • Tracking NO. will be sent to you after delivery, and we will track the goods for you until you receive all of them.
  • DHL/FedEx/UPS: 3-5 workdays (for small volume)
  • Air Shipping: 5-7 workdays
  • Sea Shipping: 20-28 days

 

 

 

 

Payment Details:

 

² We accept Alibaba Trade Assurance, Visa, Paypal. Bank transfer. western union and Paypal payment methods before Productions.

 

Click here, welcome to get free samples!

 

 

 

why choose efest?

 

ADVANTAGE:

1: Focus on mods battery and charger over 8 years.
2: ORIGINAL EFEST FACTORY WHOLESALE BOTTOM PRICE.
3: UL, FCC, CE, UN38.3, MSDS and Global Insurance are availiable.

4: QUICK SHIPPING WITHIN 3 DAYS.

5: NO MOQ , Sample order is accepable

6: FACTORY WARANTTY. SUPPORT 7 DAYS REFUND.

 

 

CERTIFICATE:

 

 

 

 

Efest company has focused on lithium battery and charger industrial over 8 years.
Efest lithium batteries and chargers have passed many international testing, such as UL,CE, RoHs, UN38.3, MSDS,etc.
Efest company has cooperated with many big distributors in many countries, such as USA, CA, UK, France, Italy and so on.
OEM. ODM service are available. Welcome to contact us any time! 

 

 

Click here, welcome to get free samples!

Contact Me

Welome to contact us freely -24 hours! 

 

Whatsapp/Wechat: +8613112796957
Skype:Cherryfest1

 

 Click here, welcome to get free samples!

                                           

                                             

 

FAQ
 

Q: Are you trading company or manufacturer?
A: We are Efest original supplier


Q: How long is your delivery time?
A: Generally it is 5-7days, we well arrange it for you as soon as possible

 

Q:Do you have MOQ ?

A:No limited. More quantity has better price, we will check the best price for you


Q: Do you provide Samples? 
A: Yes, we could offer the sample

 

Q:Which product is hot sale in your company?

A: Efest 18650/20700/21700 lithium battery, Battery charger


Q: What is your term of payment?
A: We adopt T/T,Paypal,Wester union and so on 


Q: Does your product come with a product warranty?
A: Yes. Our battery and charger all cover with warranty

 

Q:Which shipping method you usually take?

A:UPS, DHL, FEDEX and so on. We can also ship with your own shipping agent.