Certificates: 
MSDS
UN38.3
IEC62133-ROHS
ICE62321
FCC
 
Packaging and wrap: Can be customized
 
INR21700-4000mAh-Product Specification:
 
Rated Capacity
Typical: 4000mAh
Minimum: 3900mAh
Discharge at 0.2C5A after standard charge fully
 
Nominal Voltage: 3.7V
Mean operation voltage during standard discharge.
 
The voltage at the end of Discharge: 2.5V
Discharge cut-off voltage
 
Charging Voltage: 4.2±0.03V
Standard Charge: Constant Current 0.5C5A Constant Voltage4.2V 0.02C5A cut-off
Charge time : Approx 4.0h 
 
Standard Discharge: Constant current 0.2C5A end voltage 2.5V
 
Fast Charge: Constant Current 1.0C5A Constant Voltage 4.2V 0.02C5A cut-off
 
Charge time : Approx 2.5h.
 
Fast Discharge: Constant current 3.0C5A end voltage 2.5V
 
Maximum Continuous Charge Current: 6.0A
 
Maximum Continuous Discharge Current: 35A
 
Weight: Approx: 68.0g
Product Dimension: Highly: Max 70.4mm; Diameter: Max 21.4mm
 
We can help to customize all batteries' specifications