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Best 21700 battery Efest IMR21700 4000mah 30A 30t 40t High Drain Battery

  • 20-499 Pieces
    $6.30
  • 500-999 Pieces
    $6.10
  • >=1000 Pieces
    $5.90
Nominal Capacity:
4000mah
$
- +
available
0piecesselected, US $in total
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Shipping fee:
Depends on the order quantity.
Lead Time:
7 day(s) after payment received
Customization:
Customized logo (Min. Order: 5000 Pieces)
Customized packaging (Min. Order: 5000 Pieces)

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Graphic customization (Min. Order: 10000 Pieces) Less
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Overview
Quick Details
Certification:
ce
Brand Name:
Efest
Model Number:
21700
Rechargeable:
RECHARGABLE
Use:
Mobile Phone
Type:
Standard Battery, Battery Pack, Li-Ion, Rechargeable Batteries, Storage Batteries
Place of Origin:
Guangdong, China
Color:
White, Purple
Battery Type:
Li-ion Rechargeable, Lithium Battery Rechargeable
Products Status:
Stock
Compatible Brand:
For Samsung
Application:
LAPTOP, Vape devices, Flashlight, Remote control toys
Product name:
Best 21700 battery Efest IMR21700 4000mah 30A High Drain Battery
Packing:
2pcs paper box pack
MOQ:
1 pc
Warranty:
6 months
Weight:
75g
Certificate:
CE ROHS FCC UL
Battery Voltage:
3.7V
Battery Capacity:
4000mah

Packaging & Delivery

Selling Units:
Single item
Single package size: 
45X27X22 cm
Single gross weight:
9.750 kg
Package Type:
120pcs in one box
Picture Example:
package-img
package-img
Lead Time :
Quantity(Pieces) 1 - 5000 >5000
Est. Time(days) 7 To be negotiated

Best 21700 battery Efest IMR21700 4000mah 30A 30t 40t High Drain Battery

Product Details
 

Product Name

Efest 21700 4000mah 30A 3.7V Lithium Battery

Size

21*70.0mm

Nominal voltage

3.6V

End-of-charge voltage

4.20V

End-of-discharge Voltage

2.50v

Typical Capacity

4000mAh (0.2C discharge)

Min capacity

3900mAh (0.2C discharge)

Weight

Max:69g

Internal resistance

Max:8mΩ

Standard Charge

2000mA,CCCV 100mA cut-off

Charging Time

3hours(standard charge)

Quick Charge Current

4000mA

Max Continuous Discharge Current

30000mA

Operating Temperature

 

Charging, 0°C ~ 45°C

Discharging, -20°C~70°C

Storage    Temperature

-5°C~35°

Storage  Humidity

≤75%RH

Appearance

Without scratch,distorion,contamination,and leakage

Standard environmental condition

 

 

Temperature:  23±5°C

Humidity   :45-75%RH

Atmospheric Pressure :86-106KPA

 

Warnings:

Do not submerge the battery in the water.
Do not mix fresh batteries with used batteries.
Do not mix batteries with metal stuff together.
Do not insert batteries with the (+) and (-) reversed.
Do not use Efest batteries with defective devices.
Do not disassemble, dispose in fire, heat or short circuit.
Do not put the battery in a charger or equipment with wrong terminals connected.

Shipping and Payment

1.We accept Alibaba Trade Assurance Order and T/T, Western Union, Paypal payment methods.

2.Can shipping within 2-3 days after payment received

3.Tracking NO. will be sent to you after delivery, and we will track the goods for you until you receive all of them.

 

 

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Why choose Efest

ADVANTAGE

1: Focus on mods battery and charger over 10 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.

 

EFEST TEAM

 

CERTIFICATIONS

 

WORLD WIDE ONLINE REVIEWS

 

 

 

 

                            

                                      Click here to get free sample !!!

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