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Samsung 25R 18650 Battery

Samsung 25R 18650 flat top batteries: These batteries last and last! Said to perform as well or better
than the completion at the fraction of the cost. Samsung has redesigned the chemistry for the 25R to
increase its overall life cycle. The change from blue to green of the wrapper denotes the change in
chemistry, the model number has also changed from 25R2 to 25R5.

Manufacturer's Specs:

 Flat Top

 Nominal capacity: 2500 mah

 Max Continuous Rated Discharge: 20 amps (at 25 degrees 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 degrees C (best below 45 degrees C)

 Operational Discharging Temperature Range: -20 to +75 degrees C (best below 60 degrees C)

 You can store them for 1.5 years at -30 to + 25 degrees C, 3 months at 30 to 45 C and 1 month at 30 to 60 C (in other words, store

them in a cool place and they'll last longer)