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Long cycle life Efest 3700mah 30A IMR 21700 battery for 150W high power mods

  • 2-499 Pieces
    $7.20
  • 500-999 Pieces
    $6.98
  • 1000-4999 Pieces
    $6.80
  • >=5000 Pieces
    $6.25
Battery Size:
21.0*70.0mm
Nominal Capacity:
3700mah
Nominal Voltage:
3.7V
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Samples:
$6.50 /Piece, 1 Piece (Min. Order): Buy Samples
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Shipping fee:
Depends on the order quantity.
Lead Time:
2 day(s) after payment received
Customization:
Customized logo (Min. Order: 3000 Pieces)
Customized packaging (Min. Order: 3000 Pieces)

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Overview
Quick Details
Brand Name:
Efest
Model Number:
Efest 21700 3700mah
Place of Origin:
Guangdong, China
Type:
Li-Ion
Product name:
High Quality 21700 3700mah 30A Ebike Akku Lithium ion Battery
Color:
Purple
Capacity:
3700 MAh
Battery type:
Lithium Iron Battery Cell
Cycle life:
500-1000 Times
Warranty:
6 Months
Certificate:
CE/RoHS/UN38.3/MSDS/UL
Payment:
Paypal.T/T.Western Union
Application:
Flashlight,Electronic tools, Electric Bike,E-scooter,Digital Products

Packaging & Delivery

Selling Units:
Single item
Single package size: 
41X29X27 cm
Single gross weight:
14.450 kg
Package Type:
Each battery packed in one gift case, less than 10kg batteries packed in Foam Pad Strong Standard UPS export box.
Picture Example:
package-img
Lead Time :
Quantity(Pieces) 1 - 1000 1001 - 5000 5001 - 10000 >10000
Est. Time(days) 2 5 7 To be negotiated

Long cycle life Efest 3700mah 30A IMR 21700 battery for 150W high power mods

Why Choose Efest

ADVANTAGE:

  • Efest company has focused on lithium battery and charger industrial over 8 years
  • Efest lithium batteries and chargers have passed many international testing, such asUL,CE, RoHs, UN38.3, MSDS,FCC,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!
  • HK warehouse to import battery from Japen and Korea directly. Best price and Guarantee 100% original battery.

CERTIFICATIONS:

Product Description

 

1. Brand: Efest 

2. Model: 21700 3700mah 30A

3. Nominal voltage: 3.7v

4. Discharging current: 35A

5. Capacity: 3700mah

6. Type: Limn

7. Length : 70mm
8. Diameter: 20mm

9. Color: Purple

10. N.W: 75g

 

Size

20*70mm

Rated Voltage

3.7V

Rated Capacity

3700mAh

Internal Resitance

20mΩ  

Net Weight

90g

Cut-off Discharge Voltage

2.75V 

Charge Upper Limit Voltage

4.20±0.05V

Charging Time

1.5 hours(with Efest battery charger)

Max Discharging Current

60A

Continuous Discharging Current

20A

Cycle Life

>500s

Standard charger

cc/cv(max ,charging rate 2A)

Warranty

1 years

Operating  Temperature

charge (0 ~ 45°C)

 

discharge  (-20 ~ 60°C)

Storage Temperature

within 1 month  (-20~ 50°C)

 

within 3 months  (-20~ 40°C)

 

within 3 months (-20~ 20°C)

 

Product Overviews

 

 

 

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Packaging & Shipping

 

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
FAQ
  • Are you the original supplier of Efest?

Yes, we are. We are original manufacturer of Efest, based in Shenzhen, china. specialized in 3.7v high drain li-ion battery and charger over 8 years.

  • Are you factory?

Yes, our factory is in Shenzhen, and we have branch in Hong Kong and USA.

  • Do you have MOQ ?

No limited. But the more you take, the better price you will received.All products are always in stocks.

  • What is your delivery date?

Usually about 3 days for air or express shipping orders, 7 days for boat shipping orders after payment confirmed.

  • What is your terms of payment?

T/T, Paypal and Western Union.

  • Which shipping method you usually take?

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

  • What kind packing you provide for your products?

Gift packing for each products. Standard packing style for all shipping method. Also if you ship with your own agent, we can pack as your agent requested.

  • Can you accept Trade Assurance Order or deposit for order?

Yes, welcome to send us Trade Assurance Order anytime , also we can accept 30% deposit when preparing your order, just make sure full payment before shipping.

Contact us

24-hour online service, please feel free to inquiry us!!!