Samsung 20S 18650

(4 customer reviews)

Out of stock


Samsung INR18560-20S 2000mAh Batteries


  • Style: Flat Top
  • Chemistry: INR
  • Nominal capacity: 2000 mah
  • Max Continuous Rated Discharge: 30A (at 25 degrees Celsius)
  • Max Pulse Current (Less than one Second Pulse): 65A
  • Dimensions: 65.0 ± 0.2 mm (L) x 18.3 ± 0.2 mm (D)
  • Weight: 48g (Max)
  • Discharge Cut-off Voltage: 2.5V
  • Nominal voltage: 3.6V
  • Full Charge Voltage: 4.2V ± 0.05V
  • Cycle info: Capacity drops to 60% after 250 full charge/discharge Cycles
  • Standard Charge: CC/CV at 1A / 4.20V ± 0.05V, 100mA Cut-off
  • (Max) Rapid Charge: CC/CV at 4A / 4.20V ± 0.05V, 100mA Cut-off
  • Operational Charging Temperature Range: 0 to 60 degrees Celsius (best below 45 degrees Celsius)
  • Operational Discharging Temperature Range: -20 to 60 degrees Celsius (best below 60 degrees Celsius)
  • You can store them for 1 years at -20 to 25 degrees Celsius, 3 months at -20 to 45 degrees Celsius and 1 month at -20 to 60 degrees Celsius (in other words, store them in a cool place and they’ll last longer)

Notes: (Important)

  • Never completely discharge battery (below 2.5V under load or 3.0V unloaded)
  • Charge Fully (to 4.2V) before first use
  • Never use a lot of strength on battery installation
  • Use only proper battery chargers that’s designed for 18650 type of battery
  • Do not expose to heat / sunlight
  • Do not connect the positive contact to the negative contact without an appropriate load
  • Be aware of the current limits in the specification and never exceed the number
  • Never keep a spare battery loose in a pocket, purse, backpack, or etc… Always use proper case for loose batteries. If it shorts against a piece of metallic material, it can be dangerous
  • Never charge the battery up to 4.3V or above
  • Do not charge unattended
  • Do not keep your li-ion batteries fully charged for an extended period of time (more than weeks)
  • If you must store the battery then leave it in a proper case / box in a cool & dry place at around 3.6V to 3.7V
  • Never try to charge or discharge li-ion battery with battery charger that is not made for Li-ion battery

The user/buyer need to understand Li-Ion rechargeable batteries before using, charging, discharging and assembly. Use caution when working with Li-ion cells, they are very sensitive to charging characteristics and may explode or burn when mishandled.  Always charge in or on a fire-proof surface. Never leave charging batteries unattended. We will not be held responsible for damage if there is any modification of the batteries/chargers in any form. We are not responsible for any damage caused by misuse or mishandling of Li-Ion batteries and chargers.

Additional information

Weight 1.88 oz

4 reviews for Samsung 20S 18650

  1. Jason (verified owner)

    Best battery for low resistance mech builds.

  2. Anonymous (verified owner)

    The batteries charged up.

  3. Anonymous (verified owner)

    So far so good.

  4. Thomas D. (verified owner)

    Vape well & fast easy charging

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