Product Description

China Supplier 3.7V 21700 Li- Ion Batteries Cells 4000mAh 5000mAh

 

Features:

 

◆NCM

◆High energy density.

◆Lower internal resistance.

◆High safety performance. Inside with anti-explosion devise.

◆Outstanding discharge properties and storage capacity.

◆high cycle life.

◆High consistency on performance of capacity, voltage, internal resistance, It can be connected in series or parallel to make lithium battery packs.

◆Widely used, suitable for Toys, Power Tools, Home Appliances, Consumer Electronics, Electric Bicycles/Scooters, Electric Wheelchairs electric bicycle battery, convenient power supply battery, lamp battery and other electronic products with lithium battery.   

ITEM	SPECIFICATION
Type	NCM
Model	INR21700P4000
Normal capacity	4000mAh
Minimum capacity	3900mAh
Nominal voltage	3.70 V
Max Charging voltage	4.20 V
Discharge ending voltage	2.75 V
Max charge current	0.5C
Max discharge current	3C
Recommended charge and discharge cell body temperature	Charge:  0~45℃ Discharge: -20~60℃
Humidity range	0 ~ 90 % RH (non-condensing )
Internal resistance	≤25 mΩ(AC Impedance, 1000 Hz)
Cell dimension	H:70.9mm  φ:21.7mm
Weight	≤ 75g

 

Cell Model: 3.7V 2600mAh 18650 Lithium Ion Battery
Nominal voltage: 3.7V
Nominal capacity: 2600mAh (0.2C discharge)
Size: Φ*H(max):18.5*65.0mm
Initial internal resistance: <130mΩ
Out-of-factory voltage: > 3.7V
Charging cut-off voltage: 4.2V
Discharge cut-off voltage: 3.0V
Charging Current: Standard Charging: 0.2C Fast Charging: 0.5C
Charging Time: Standard Charging: 5.5-6.5 h Fast Charging: 1.5-2.5 H
Maximum charging current: 2C (5℃ ~+45℃)
Standard Discharge Current: - 10℃ to + 55℃ Constant Current: 0.5C Cut-off Voltage: 3.0V
Maximum discharge current: 5C (0℃~ +55℃)
Working environment: charging: 0℃ ~45℃ max.85% RH, discharging: - 20℃ ~60℃ max.85% RH
Lithium Electric Protection: Overcharge Protection, Over discharge Protection, Discharge Over current Protection, Short Circuit Protection, etc.

Application: Toys, Power Tools, Home Appliances, Consumer Electronics

 

custom circular lithium ion battery pack

1.Battery types:

(1)INR batteries:

Normally capacity design:

18650，21700，26650， 32650

3C power battery design:

26650, 21700, 18650

High power battery(5C/8C/10C) design:

26650, 21700, 18650,

High and low temperature design:

18650

low temperature high power battery design:

18650

(2)Lifepo4 battery:

18650，21700，26650， 32650, 32700

2.Use for Ebike, Laptop, power tool, power bank,Toys, Home Appliances, Consumer Electronics,  Electric Bicycles/Scooters/Motorcycle, Uninterruptible Power Supplies,Engine starting battery; Slow Speed Car; Intellectual robots, Golf trolley/Carts/ Sightseeing car. telecom base, CATV-system, computer server center, medical instrument, military equipment.security and electronics; mobile POS, mining light/torch/LED light/emergency light. Etc...

 

Features:
1. High capacity and stable discharge voltage
2. Longer working time with high performance
3. Light weight with small size
4. Outstanding discharge properties and small internal resistance
5. No memory effect, good discharge ability and high load and resist high temperature
6. Pollution free for environmental protection
7. 100% Authentic original li-ion rechargeable battery
8. Bulid in anti-explosion protection and circuit protection
9. Long cycle life more than 1500 times
10. Good consistency, low self discharge

 

For Customization
 

We have standardized 3.7V 2000mah 2600mah 3000mah 3200mah 3350mah for your choose, and we can have other capacity according to your requirements.Please contact us to get the free design and quote.

Contact us for customization~

 

Attention:
 

1.Do not expose to, dispose of the battery in fire. 2.Do not put the battery in a charger or equipment with wrong terminals connected. 3.Avoid shorting the battery 4.Avoid excessive physical shock or vibration. 5.Do not disassemble or deform the battery. 6.Do not immerse in water. 7.Do not use the battery mixed with other different make, type, or model batteries. 8.Keep out of the reach of children.

 

 

Shipping :

 

1.Shipping Cost:
Select the quantity first, then click the country via logistic methods in the page.And the actural express will be FedEX or UPS.
Go the the next page, you can see the detail shipping cost by each logistic methods under your selection.

2.Shipping method:

A.Air transportation+express delivery ( FedEX/UPS/TNT or your local express,only this second voyage can be tracked):
the trade terms for this method is DDP (includes customs clearance,duties,door to door),its applicable for most of Asia
countries,America,parts of Europe,UAE and canada. While Australia,Switzerland,Singapore,Taiwan,India,Malaysia,New Zealand are
DAP(door to door,no customs duties).

B.Express :
Whole-process logistics tracking;
Faster delivery (7~10 days);
Exclusive of customs duties;

C.Sea transportation for great quantity,with longer ETA (25~45 days),but save your shipping cost.

D. Item Processing Time: The processing time for a specific order varies with the product type and stock status. Mostly, ETD:6 ~ 8
days;

ETA:7~10 days for DAP;
ETA: 12~16 days for DDP.
ETA: 25~35 days for sea transportation.

 

 

FAQ

1. who are we?
We are a professional high-tech manufacturer specialized in Li-ion battery research and development, production and sales, and we provide both OEM/ODM service.

2.what can you buy from us?
Lithium Polymer Battery/Lithium Cylindrical Battery/Li-ion Battery/Battery Pack.

3.Can I have a sample order?
Yes, we accept sample order, and the sample fee will be refunded when the orders up to 1000pcs.

4.Do you have MOQ limit?
Yes, we have MOQ limit(5000pcs) for mass production, but it depends on battery model. Please contact us for details.

5. How about the lead time?
Samples will takes 3~5 workdays. Mass production will takes 10~15 workdays if the cell is in stock, 30~40 workdays if it's
customized.

6. How can we guarantee quality?
Always a pre-production sample before mass production.
Always final Inspection before shipment.
If there is any quality problem, we will provide return service.

7. How about shipping and delivery term?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES.

8. What about after-sale service?
We will offer you 1 year guarantee. If there are any problems, please contact us any time, we will offer you positive solutions.

 

WARNING

*DO NOT USE WITH E-CIGARETTE, VAPORIZER, OR SIMILAR DEVICE

*MISUSING OR MISHANDLING LITHIUM ION BATTERIES CAN POSE A SERIOUS RISK OF PERSONAL INJURY, PROPERTY *DAMAGE, OR DEATH

*BATTERIES MAY EXPLODE, BURN, OR CAUSE A FIRE IF MISUSED OR MISHANDLED

*ONLY USE WITH PROPER CIRCUITRY IN A PROTECTED BATTERY PACK

*ONLY USE WITHIN MANUFACTURER LISTED SPECIFICATIONS

*DO NOT STORE LOOSE BATTERY IN A POCKET, PURSE ETC. - ALWAYS USE A PROTECTIVE CASE OR BOX

*KEEP AWAY from metal objects to prevent short circuiting

*DO NOT short circuit

*DO NOT use if wrapper or insulator is damaged or torn

*DO NOT use if damaged in any way

*DO NOT overcharge or over-discharge

*DO NOT modify, disassemble, puncture, cut, crush, or incinerate

*DO NOT expose to liquids or high temperatures

*DO NOT solder, spot weld only

 

Price Terms︰ FOB DDP EXW

Payment Terms︰ T/T

Packing︰ Carton packaging and wooden box packaging

Lead Time︰ 20 days

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