High Quality 35A 40t Li Ion 18650/21700 4000mAh Rechargeable Power Supply Li /Lithium Ion Battery

Model NO.
21700 40T

Certification
SASO, GOST-R, KC, PSE, CTIA, RoHS, TUV, CB, UL, CE

Recyclable
Recyclable

Item
3.7V 4000mAh 21700 40t

Capacity
4000mAh

Rechargeable
Yes

Battery Type
21700 Rechargeable Li-ion

Keywords
40t

Payment
T/T, Paypal Ke

Warranty
1 Year

Transport Package
Single Package

Specification
3.7v 5000mah

Trademark
APOWER

Origin
China

HS Code
8506500000

Production Capacity
20000

Description

High Quality 35A 40t Li Ion 18650/21700 4000mAh Rechargeable power supply li /Lithium Ion Battery
High Quality 35A 40t Li Ion 18650/21700 4000mAh Rechargeable Power Supply Li /Lithium Ion Battery
Size 21*70mm
Rated Voltage 3.7V
Rated Capacity 4000mAh
Internal Resitance 20mΩ  
Net Weight 59g
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 30A
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)
 

High Quality 35A 40t Li Ion 18650/21700 4000mAh Rechargeable Power Supply Li /Lithium Ion Battery
High Quality 35A 40t Li Ion 18650/21700 4000mAh Rechargeable Power Supply Li /Lithium Ion Battery
High Quality 35A 40t Li Ion 18650/21700 4000mAh Rechargeable Power Supply Li /Lithium Ion Battery

 

High Quality 35A 40t Li Ion 18650/21700 4000mAh Rechargeable Power Supply Li /Lithium Ion Battery

 High Quality 35A 40t Li Ion 18650/21700 4000mAh Rechargeable Power Supply Li /Lithium Ion Battery

Packing & Shipping
Delivery detail:
 
· 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
· Air Shipping: 5-7 workdays
· Sea Shipping: 20-28 days
High Quality 35A 40t Li Ion 18650/21700 4000mAh Rechargeable Power Supply Li /Lithium Ion Battery

FAQ
Q1 What’s the main product in APOWER?
  Rechargeable battery, Li-ion battery, battery pack, battery cahrger and Iwalkie. 
   
Q2 What is overcharge?
 After charge, tested the batteries initial state and capacity. Charge to 10.0V at 3C current, then charge to 0.01C at CV mode. Observe changes in battery appearance.
 
Q3 What is over discharge?
 After charge, test the batteries’ initial state. When the batteries are normal, discharge to 0V at 0.5C. Observe changes in battery appearance
 
Q4 Can I have a sample order?
   Yes, we accept sample order to test and check quality. Batteries can be made as require.
 
Q5 Do you have MOQ limit?
  Yes, we have MOQ limit for mass production, but it depends on battery model. Please contact us for details.
 
Q6 How about the lead time?
   Samples will takes 5-7 business days. Mass production will takes 25-30 days. It depends on quantity.
 
Q7 How about shipping and delivery time?
  Generally, battery will be shipped via Express, such as DHL, TNT, FedEx and UPS, delivery time is 3-5 business days. Or DDP service, delivery time is 11-15 business days. Airline and sea shipping also available.
 
Q8 What about after-sale service?
  We will offer you 1 year guarantee. If there are any problems, please inform us, we will offer you positive solutions.
Contact