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Cylindrical 18650 Cell Wholesale 18650 Lithium Battery 4000mah Rechargeable Battery Lithium
Cylindrical 18650 Cell Wholesale 18650 Lithium Battery 4000mah Rechargeable Battery Lithium
Cylindrical 18650 Cell Wholesale 18650 Lithium Battery 4000mah Rechargeable Battery Lithium
Cylindrical 18650 Cell Wholesale 18650 Lithium Battery 4000mah Rechargeable Battery Lithium
Cylindrical 18650 Cell Wholesale 18650 Lithium Battery 4000mah Rechargeable Battery Lithium
Cylindrical 18650 Cell Wholesale 18650 Lithium Battery 4000mah Rechargeable Battery Lithium
Cylindrical 18650 Cell Wholesale 18650 Lithium Battery 4000mah Rechargeable Battery Lithium
Cylindrical 18650 Cell Wholesale 18650 Lithium Battery 4000mah Rechargeable Battery Lithium
Specifications
Brand Name :
FBATTERY
Model Number :
18650 3.7V
Certification :
CE,ROHS,UN38.3
Place of Origin :
Wuhan,China
MOQ :
Negotiable
Price :
Negotiable
Payment Terms :
L/C, D/A, D/P, T/T in advance
Supply Ability :
10000PCS/30Days
Delivery Time :
20 work days
Packaging Details :
blister card packing,Carton
Voltage :
3.7V
Capacity :
4000mAh
Length :
≤67.0mm
Width :
≤37.0mm
Height :
≤19.5mm
Line length :
150.0mm±5mm
Size :
Cylindrical
Operating Temperature :
﹣20℃～+50℃
Description

Products assembly drawing and size refers

NOPart NameDescription

quantity

1Cell18650-2000mAh2
2PCM

W5.0 T0.8 L35mm

S-8205 DWO1

1
3Lead1007 22#2
4ConnectorXH 2.541

Specification

Item Specifications
Typical Capacity

4100mAh Discharge (4.2Vto2.5V) 0.2C

Minimum capacity

2000mAh Discharge (4.2Vto2.5.0V) 0.5C

Nominal voltage 3.7V
Standard Charge 4.2V
Standard Discharge CC,0.2C(800mA) 2.75V
End-of-charge Current 20mA (At CV mode)
Standard charging current 800mA (0.2C5rate) 0.2C
Max Charge Current 1500mA (0.5C5rate) 0.5C充电
Max Discharge Current1500mA
Initial Impedance ≤130mΩ

Weight

Approx200.0g

Operating temperature

Charging: 0℃~45℃
Discharge:-20℃~+50℃

Storage temperature

Within one month:-20℃~+50℃,80%RH Max
Within one year:-20℃~+25℃, 75%RH Max

Storage Humidity

≤75% RH

Appearance

Without scratch, distortion, contamination and leakage

Temperature Dependence of Discharge Capacity

Charge temperature

Discharge temperature

25℃

-10℃0℃15℃25℃50℃

Relative Capacity

70%80%90%100%95%
The relationship between discharge rate and capacity

Charging temperature / current

Discharge rate

25℃/0.2C

0.2C

0.5C1C

Relative Capacity

100%

95%

85%



Circuit diagram
Cylindrical 18650 Cell Wholesale 18650 Lithium Battery 4000mah Rechargeable Battery Lithium

Application

Toys, Power Tools, Home Appliances, Camera,Consumer Electronics,POS machine,Router/Switch,Remote Control and so on.

General Performance

Item Test Methods and Condition Criteria


0.2C Capacity

After standard charging, rest battery for 10min, then discharging at 0.2C to voltage 3.0V, recording the discharging time.

≥290min



Cycle life

Constant current 0.5C charge to 4.2V, then constant voltage charge to current declines to 0.01C, rest 10min,constant current 0.5C discharge to 3.0V,rest 10min. Repeat above steps till continuously discharging capacity Higher than 80% of the Initial Capacities of the Cells



≥300 times

Capability of keeping electricity

20±5℃, After standard charging, rest the battery 28days, discharging at 0.2C to voltage 3.0V, recording the discharging time.



≥90%


























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Cylindrical 18650 Cell Wholesale 18650 Lithium Battery 4000mah Rechargeable Battery Lithium

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Product Detail
Brand Name :
FBATTERY
Model Number :
18650 3.7V
Certification :
CE,ROHS,UN38.3
Place of Origin :
Wuhan,China
MOQ :
Negotiable
Price :
Negotiable
Contact Supplier
Cylindrical 18650 Cell Wholesale 18650 Lithium Battery 4000mah Rechargeable Battery Lithium
Cylindrical 18650 Cell Wholesale 18650 Lithium Battery 4000mah Rechargeable Battery Lithium
Cylindrical 18650 Cell Wholesale 18650 Lithium Battery 4000mah Rechargeable Battery Lithium
Cylindrical 18650 Cell Wholesale 18650 Lithium Battery 4000mah Rechargeable Battery Lithium

Wuhan Future Intepower Co., Ltd.

Verified Supplier
7 Years
hubei, wuhan
Since 2009
Business Type :
Manufacturer, Exporter, Trading Company
Main Products :
Valve Regulated Lead Acid Battery, AGM Gel Battery, Gel Deep Cycle Battery
Total Annual :
1500000-3000000
Employee Number :
200~500
Certification Level :
Verified Supplier
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