The Samsung 25R 18650 2500mAh Lithium ion Battery is one of the most popular batteries in the world. The great safety profile and effective power, great performance, high-capacity and are simply a premium choice for torches, electronics etc.
 
Each battery delivers an individual green colour to distinguish Samsung's commitment to style.
 
Specifications:
Nominal Capacity: 2500 mAh
Style: Flat-Top
Height: 65 mm
Width: 18 mm
Weight: 45 grams
Battery Size: 18650
Maximum Continuously Rated Discharge: 20 A (@ 25 Degrees Celsius)
Nominal Voltage: 3.6 Volts (Fully Charged: 4.2V)
Cycle Information: Capacity Dips 60% After 250 Fully Charged / Discharged Cycles
Do Not Discharge Below: 2.5 Volts
Standard Charges: CC / CV @ 1A / 4.2V, 100 mA Cut-Off
Maximum Rapid Charge: CC/CV @ 4A / 4.2V, 100 mA Cut-Off
Impedance: 22 (Milliohms)
Country: South Korea
Operational Discharge Temperature Range: -20 to +75 Degrees Celcius (Best Under 60)
Operational Charge Temperature Range: 0 - 50 Degrees Celcius (Best Under 45)
Storage Information: Rated / Measured To Be Stored For 1.5 Years At -30 to 25 Degrees Celcius
Authentic, Genuine
Release Year & Month: October 2013
Rechargeable: Yes 
Standard Charge Time: 3 Hrs
Fast Charge Time: 1 Hrs
Lithium-ion
Other Names: INR18650-25R
 
Safety Information:
Always charge the battery on a stable surface away from any fire risk.
Keep the battery in a protective case or if unused or for long-term storage.
Do not overcharge or over-discharge.
Do not use the battery if it is damaged.
Do not remove the wrap.
Do not short circuit.
Do not disassemble.
Do not submerge in liquid.
Please dispose of this product in accordance with state and/or Australian national laws and legislation