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Quick Details

  • Place of Origin: South Korea
  • Brand Name: Samsung
  • Model Number: INR18650-25R
  • Type: Li-Ion
  • Nominal Voltage: 3.6V
  • Size: 65.00(H)x18.4(D) max.
  • Nominal Capacity: 2500mAh
  • Weight: 45.0g max.
  • Max. continuous discharge: 20A

Packaging & Delivery

Packaging Details Overpack according to battery shipping requirement
Delivery Time within 2 working days

Authentic Li-ion Samsung 18650 2500mAh High Drain Battery INR18650 25R




1Nominal Voltage3.6V
2Nominal Capacity2500mAh
3Nominal discharge capacity

Std.2500mAh (0.2C)

Rated: 2450mAh (10A)

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

20A(at 25°C)

End Voltage: 2.5V

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

45.0g max. 

10Cell dimension

Height : 64.85 ±  0.15  mm
Diameter : 18.33 ± 0.07mm

11Operating temperature
(surface temperature)

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

12Storage temperature
(Recovery 90% after storage)  

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


 Note (1): If the cell is kept as ex-factory status (50±5% SOC, 25),
the capacity recovery rate is more than 90%of 10A discharge capacity
100% is1,950mAh at 25with SOC 100% after formation.  





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





  • Genuine Grade A lithium battery cells from Sam.sung
  • Light weight and high performance with 20A continuous discharge
  • Small internal resistance
  • High energy density, low self-discharge
  • Pollution free, long cycle life
  • No memory effect
  • Existing stock for short delivery time.
  • OEM orders are available (battery pack, battery with spot welding ect,)\
Discharge Characteristics



Cycle Life


Capacity  0.2C vs 10A


Low Temperature Discharge (10A)

Safety instructions


Handling precaution and prohibitions of lithium Ionrechargeable cells and batteries

Inaccurate handling of lithium ion and lithium ion polymer rechargeable battery may cause leakage, heat,
smoke, an explosion, or fire.


This could cause deterioration of performance orfailure. Please be sure to follow instructions carefully.


1.1 Storage
Store the battery at low temperature (below 25°Cis recommended), low humidity, no dust and no
corrosive gas atmosphere.


1.2 Safety precaution and prohibitions
To assure product safety, describe the following precautions in the instruction manual of the







Cell Show





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