Samsung INR18650-25R high power li-ion battery 20A continuous discharge.
***Batteries purchased without any equipment they can operate must be shipped with ground shipping. If you purchase only batteries and no flashlights/headlamps you must select UPS/Fedex Ground.***
Nominal Voltage: 3.6V
Nominal Capacity: 2500mAh
Nominal discharge capacity:
Rated: 2450mAh (10A)
Standard charge CCCV, 1.25A, 4.20 ± 0.05 V, 100mA cut-off
Rapid charge CCCV, 4A, 4.20 ± 0.05 V, 100mA cut-off
Standard charge : 180min (0.5C)
Rapid charge: 60min (4A)
Max. continuous discharge Temperature cut-off 70°C
End Voltage: 2.5V
Discharge cut-off voltage end of discharge
2.5V (2.5V discharge cut-off is better in cycle life)
Cell weight: 45.0g max.
Height : 65.00 mm max.
Diameter : 18.47mm max.Operating temperature (surface temperature)
Charge : 0 to 50 (recommended recharge release < 45°C)
Discharge: -20 to 75 (recommended re-discharge release < 60°C)
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, drills and e-cigarettes.