Samsung ICR18650-20R 18650 battery

The Samsung ICR18650-20R cell is excellent 18650 battery cells for high current draw application. Being able to handle 22A Max. continuous discharge current it find wide applications for all kinds of power tools, electrical toys, EV cars, scooters. 

lygte-info testing:

Nominal Specifications 

 3.1 Nominal discharge capacity 
2,000mAh 
Charge: 1A, 4.20V,CCCV 100mA cut-off, 
Discharge: 0.2C, 2.5V discharge cut-off 
3.2 Nominal voltage 3.6V 
3.3 Standard charge CCCV, 1A, 4.20 ± 0.05 V, 100mA cut-off 
3.4 Rapid charge CCCV, 4A, 4.20 ± 0.05 V, 100mA cut-off 
3.6 Charging time Standard charge : 180min / 100mA cut-off 
Rapid charge: 50min (at 25℃) / 100mA cut-off 
3.7 Max. continuous discharge 
(Continuous) 22A(at 25℃), 60% at 250 cycle 
3.8 Discharge cut-off voltage 
 End of discharge 2.5V 
3.9 Cell weight 45.0g max 
3.10 Cell dimension 
Height : 64.85 ± 0.15mm 
Diameter : 18.33 ± 0.07mm 
3.11 Operating temperature 
(surface temperature) 
Charge : 0 to 50℃ 
(recommended recharge release < 45℃) 
Discharge: -20 to 75℃ 
(recommended re-discharge release < 60℃) 
3.12 Storage temperature 
 (Recovery 90% after storage) 
1.5 year -30~25℃(1*) 
3 months -30~45℃(1*) 
1 month -30~60℃(1*)

 7.10 Cycle life 
With standard charge and maximum continuous discharge. 
Capacity after 250cycles, 
Capacity ≥ 1,200mAh (60% of the nominal capacity at 25℃) 

9. Safety 
  9.1 Overcharge test 
 Test method: To charge with 20A-20V at 25℃ for 2hr. 
 Criteria: No fire, and no explosion. 
 9.2 External short-circuit test 
Test method: To short-circuit the standard charged cell (or 50% discharged cell) 
by connecting positive and negative terminal by 50mΩ wire for 10min. 
 Criteria: No fire, and no explosion. 
 9.3 Reverse charge test 
Test method: To charge the standard charged cell with charge current 10A 
By 0V for 2.5 hours. 
 Criteria: No fire, and no explosion. 
9.4 Heating test 
 Test method: To heat up the standard charged cell at heating rate 5℃ per minute up to 
 150℃ and keep the cell in oven for 10 minutes. 
 Criteria: No fire, and no explosion.