These are genuine Samsung 25R Li-Ion INR8650 batteries rated at 3.7V 2500mAh.
The 25R2 (blue) batteries are being phased out, and replaced with the green 25R5 batteries. The specs are nearly identical, though the new green 25R batteries have a lower internal resistance, and a longer life cycle.
Generally an excellent quality, reliable Lithium 18650 battery that gives consistant great performance.
Suitable for use in all types of portable devices and LED torchesSpecification
Rated voltage: 3.6-4.2 V
Standard Capacity: 2500mAh
Standard charge: 1.25A, 4.2V, CCCV, 100mA deadline
Quick charge: 4A, 4.2 ± 0.05V, CCCV, 100mA deadline
Charging time; Standard charge 3hours/100mA deadline
Quick charge: 1hours/100mA deadline (25 °C)
Standard discharge curre 2500mA 0.2C, 2.5V cut
Maximum discharge current 35A
Continuous discharge 22A
Discharge cut-off voltage 2.5V
The standard charge 1A
The fast charge 4A
Size 64.9 x 18.3
Use of the environment Charge 0 ~ 50 °C
Discharge -20 ~ 75 °CFeatures
1.High energy density
2.High working voltage for single battery cells.
4.Long cycle life
5.No memory effect
6.Capacity,resistance,Voltage,platform time consistency is good.
7.Good consistency.low self discharge.
8.Light weight,small size
If you need a charger for these batteries, please click HERE