Name: Cylindrical 18650 Lithium Battery 4000mAh 3.7V Rechargeable Battery for Power Tools and Electronics
Brand: Wuhan Future Intepower Co., Ltd.
SKU: 18650 3.7V
Availability: InStock

Product Details

Place of Origin: Wuhan,China

Brand Name: FBATTERY

Certification: CE,ROHS,UN38.3

Model Number: 18650 3.7V

Payment & Shipping Terms

Minimum Order Quantity: Negotiable

Price: Negotiable

Packaging Details: blister card packing,Carton

Delivery Time: 20 work days

Payment Terms: L/C,D/A,D/P,T/T in advance

Supply Ability: 10000PCS/30Days

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Product Details

Product Description

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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℃

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℃

Cylindrical 18650 Lithium Battery 4000mAh 3.7V Rechargeable Battery for Power Tools and Electronics

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

Product Assembly

Products assembly drawing and size references:

NO	Part Name	Description	Quantity
1	Cell	18650-2000mAh	2
2	PCM	W5.0 T0.8 L35mmS-8205 DWO1	1
3	Lead	1007 22#	2
4	Connector	XH 2.54	1

Specifications

Typical Capacity	4100mAh Discharge (4.2V to 2.5V) 0.2C
Minimum Capacity	2000mAh Discharge (4.2V to 2.5V) 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 (0.2C5 rate) 0.2C
Max Charge Current	1500mA (0.5C5 rate) 0.5C
Max Discharge Current	1500mA
Initial Impedance	≤130mΩ
Weight	Approx 200.0g
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℃: 70% 0℃: 80% 15℃: 90% 25℃: 100% 50℃: 95%

Relationship Between Discharge Rate and Capacity

Charging Temperature / Current	Discharge Rate
25℃/0.2C	0.2C: 100% 0.5C: 95% 1C: 85%

Circuit Diagram

Applications

Toys
Power Tools
Home Appliances
Camera
Consumer Electronics
POS Machine
Router/Switch
Remote Control

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 28 days, discharging at 0.2C to voltage 3.0V, recording the discharging time.	≥90%

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