This SAMSUNG INR18650-25R 2500mAh Li-Ion Rechargable cell is Original Samsung Product. The Samsung 25R is a unique High Discharge cell. It packs in a very high energy density which gives it an industry best Capacity to Weight Ratio ( in high discharge cells). They can be used in all high discharge applications requiring higher than 10 amp continuous disccharge.
The detailed technical specifications of the product as provided by Samsung are as follows :
Nominal discharge capacity : 2500 mAh
Nominal voltage : 3.6 V
Maximum charge voltage : 4.20 V
Standard charge current : CCCV, 1.25A, 4.20V ± 0.05V, 125mA cut-off
Rapid charge : CCCV, 4A, 4.20V ± 0.05V, 100mA cut-off
Charging time Standard charge : 180min (@ RT) Rapid charge : 60min (@ RT)
Max. continuous discharge : 20A(at 25℃), 60% at 250 cycle
Discharge cut-off voltage : 2.5V (End of discharge)
Cell weight : 45.0g max
Height : 65 mm
Diameter : 18 mm
Operating temperature (Cell Surface temperature)
Charge : 0 to 50℃
Discharge: -20 to 75℃
Please ensure the standard precautions while using Li-ion cells to not puncutre or damage the cells. Also please ensure that the charging and discharging parameters and temperatures are maintained within the specifications for achieving the longer cell life and optimal perforamnce.
*Please do not select air shipping for battery as the same is not permitted by airline regulations
Awesome…….high current li-ion battery.