Samsung INR18650-25R 3.6V 2500mAh 20A High Drain Battery Cell

Samsung INR18650-25R high power li-ion battery 20A continuous discharge. Made in South Korea,authenticity guaranteed


NO. Item Specifications
1 Nominal Voltage 3.6V
2 Nominal Capacity 2500mAh
3 Nominal discharge capacity

Std.2500mAh (0.2C)

Rated: 2450mAh (10A)

4 Standard charge CCCV, 1.25A, 4.20 ± 0.05 V, 100mA cut-off
5 Rapid charge CCCV, 4A, 4.20 ± 0.05 V, 100mA cut-off
6 Charging time Standard charge : 180min (0.5C) 
Rapid charge: 60min (4A)
7 Max. continuous discharge 
Temperature cut-off 70°C

20A(at 25°C)

End Voltage: 2.5V

8 Discharge cut-off voltage 
End of discharge
( 2.5V discharge cut-off is better in cycle life )
9 Cell weight

45.0g max. 

10 Cell dimension

Height : 65.00  mm max.
Diameter : 18.47mm max.

11 Operating temperature 
(surface temperature)

 Charge : 0 to 50
(recommended recharge release < 45°C) 
Discharge: -20 to 75
(recommended re-discharge release < 60°C)

12 Storage temperature 
(Recovery 90% after storage)  

1.5 year -30~25°C(1*) 
3 months -30~45°C(1*) 
1 month -30~60°C(1*)


Applications: Suitable for most elcetronic devices, especially power tools such as e-bike and drill, e-cigarettes.