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21700 3.7V 4000mAh Lithium Ion Battery Cell for Rechargeable Massager

China 21700 3.7V 4000mAh Lithium Ion Battery Cell for Rechargeable Massager, Find details about China Lithium Battery, Battery for Robot from 21700 3.7V 4000mAh Lithium Ion Battery Cell for Rechargeable Massager

Model NO.
UBT-21700-3.7V 4000mAh
Installation
Packaged
Rechargeable
Chargeable
Capacity
4000mAh or Customized
Lead Time
20 Days
Certification
UL, Ce, RoHS, Un38.3
Trademark
Ubetter
Transport Package
Customized
Specification
18650 battery pack
Origin
China
HS Code
8507600090
Model NO.
UBT-21700-3.7V 4000mAh
Installation
Packaged
Rechargeable
Chargeable
Capacity
4000mAh or Customized
Lead Time
20 Days
Certification
UL, Ce, RoHS, Un38.3
Trademark
Ubetter
Transport Package
Customized
Specification
18650 battery pack
Origin
China
HS Code
8507600090
Package size per unit product
7.00cm * 2.15cm * 2.15cm
Gross weight per unit product
0.080kg
21700 3.7V 4000mAh lithium ion battery cell for rechargeable  massager21700 3.7V 4000mAh Lithium Ion Battery Cell for Rechargeable Massager
 
Item3.7v
Nominal  Capacity4000mah(0.2C discharge)
SizeCustomized
Weight

approx 80g

Composed Type18650 battery
Max Charge Protection Voltage4.2
Charging Current0.2C
Charging Time 
Charge MethodCC-CV (constant current and constant voltage )
Max Discharge Current2A
Recharge Cycle Life>800 cycles
 Charge0~45°C,45~85%RH
Working Temperature Dis-charge-20~60°C,45~85%RH
Storage TemperatureOne month-20~60°C,45~85%RH
and Humidity                  Three months-20~45°C,45~85%RH
 One year:-20~25°C,45~85%RH
Protection FunctionsOver charge, Over discharge,  Over load, Short Circuit
Warrantyfull 12 months
Safety CertificationCE,UL,FCC,Rohs, ISO9001
 

21700 3.7V 4000mAh Lithium Ion Battery Cell for Rechargeable Massager21700 3.7V 4000mAh Lithium Ion Battery Cell for Rechargeable Massager

· Long Cycle Life 
Can be recharged for use for over 1,000 times. No memory effect. 
Out-performed LiMno2,LiFePo4 cells with much longer run time.

· High Safety 
Assemble with Japan cells. High and stable performance & heat resistant. Top design and technology to prevent 

risk of explosion. The battery pack is impact-proof and can sustain heavy external shocks.

· Reliable Quality 
For quality assurance, we use Japanese cell with new mixing formula "Li-ion" to assemble battery pack that guarantee our running distance and safe requirement are up-to standard.

· OEM Welcome
We can provide you with custom made service for battery pack sample order and testing. Battery can fit for foldable 

bike, electric sport bike, electronic scooter and electric wheelchair.


21700 3.7V 4000mAh Lithium Ion Battery Cell for Rechargeable Massager



21700 3.7V 4000mAh Lithium Ion Battery Cell for Rechargeable Massager

21700 3.7V 4000mAh Lithium Ion Battery Cell for Rechargeable Massager
21700 3.7V 4000mAh Lithium Ion Battery Cell for Rechargeable Massager
 

Contact me now~

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