Samsung 25R 2500mAh 18650 Lithium Batteries are commonly used in vaping devices however, it's important to note that they are not manufactured or designed for use with vapes.

Samsung Lithium Batteries have great balance of performance and capacity to power compatible electronic devices.

IMPORTANT: Batteries only have a test charge. Ensure that you charge batteries to full capacity before use to avoid long-term battery cell issues.

Samsung 25R 2500mAh 18650 Lithium Battery Specifications (per battery):

• Flat top 
• Nominal capacity: 2500mAh
• Max continuous rated discharge: 20 amps (at 25°C)
• Nominal voltage: 3.6V
• After a fresh charge: 4.2V
• Cycle info: Capacity drops to 60% after 250 full charge/discharge cycles
• Don't discharge below: 2.5V
• Standard charge: CC/CV @ 1 amp / 4.20 volts +/- .05v, 100 mA cut-off
• (Max) Rapid charge: CC/CV @ 4amps / 4.20 volts +/- .05v, 100 mA cut-off
• Impedance: 22.15 +/- 2 milliohms
• Weight: 45g
• Height: 64.85 +/- 0.15mm
• Diameter: 18.33 +/- 0.07mm
• Operational charging temperature range: 0 to 50°C (best below 45°C)
• Operational discharging temperature range: -20 to +75°C (best below 60°C)
• You can store batteries for 1.5 years at -30 to + 25° C, 3 months at 30-45°C and 1 month at 30-60°C (in other words, store them in a cool place and they'll last longer)

Package Includes:

• 3 x Samsung 25R 2500mAh 18650 Batteries