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  1. HKJ

    Test/review of Vapcell INR18650 3400mAh F34 (Green) 2021

    Vapcell INR18650 3400mAh F34 (Green) 2021 Official specifications: Min capacity: 3300mAh (0.2C discharge) Nominal voltage: 3.60V Max Continuous Discharge Current: 10A Max Discharge Current: 20A End-of-charge voltage: 4.20V End-of-discharge Voltage: 2.5V Weight: 48g ( Appr) Internal...
  2. HKJ

    Test/review of Lishen 21700 4000mAh LR2170LA (Purple)

    Lishen 21700 4000mAh LR2170LA (Purple) Official specifications: Standard discharge capacity: 4000mAh (0.8A charge/discharge) Standard minimum discharge capacity: 3900mAh Rated discharge capacity: 3900mAh (6A charge / 10A discharge) Rated minimum discharge capacity: 3800mAh Nominal voltage...
  3. HKJ

    Test/review of JSC Energiya ICR18650 2200mAh LITS-2.2 (Blue)

    JSC Energiya ICR18650 2200mAh LITS-2.2 (Blue) Official specifications: Nominal capacity: 2200mAh Nominal voltage: 3.7V Maximum discharge current: 5C (11A) Charge voltage: 4.2V (Other specification say: Open voltage 4.1V). End of discharge voltage: 2.75 Cycle life: 300 cycles to 60% (Other...
  4. HKJ

    Test/review of Vapcell INR21700 5000mAh P50 (Red) 2021

    Vapcell INR21700 5000mAh P50 (Red) 2021 Official specifications: Model: P50 Size: 21.3*70.7mm Typical Capacity: 5000mAh (0.2C discharge) Min capacity: 4900mAh (0.2C discharge) Nominal voltage: 3.60V Max Continuous Discharge Current: 15A Max Discharge Current: 25A End-of-charge voltage: 4.20V...
  5. HKJ

    Test/review of JSC Energiya INR18650 1500mAh LITS-1.5 (Blue)

    JSC Energiya INR18650 1500mAh LITS-1.5 (Blue) Official specifications: Nominal capacity: 1500mAh Nominal voltage: 3.6V Maximum discharge current: 20C (30A) Charge voltage: 4.2V (Other specification say: Open voltage 4.1V). End of discharge voltage: 2.5 Cycle life: 300 cycles to 60% (Other...
  6. HKJ

    Test/review of Keeppower 26650 5500mAh P2655C (Black)

    Keeppower 26650 5500mAh P2655C (Black) 2020 Official specifications: Voltage: 3.70V Typical capacity: 5500mAh Minimum Capacity: 5400mAh Discharge cut-off voltage: 2.50V Charge voltage: 4.20V +/- 0.05V Standard charge current: 2000mA Maximum constant discharge current: 10A This is a LiIon...
  7. HKJ

    Test/review of Samsung INR18650-35E 3500mAh (Pink) 3

    Samsung INR18650-35E 3500mAh (Pink) 3 Official specifications: Nominal capacity: 3500mAh Minimum capacity: 3350mAh Nominal voltage: 3,6V - 3,7V Charging voltage: 4,2V Discharge current: 8A Maximum discharge current: 13A Charge current: 0,6C 2000mA Discharge end...
  8. HKJ

    Test/review of Samsung INR18650-35E 3500mAh (Pink) 2

    I cannot say if the cell is within tolerances, because I do not test the same way Samsung do. If you want a chart with fewer curves and to compare to other cells, follow the link to the comparator.
  9. HKJ

    Test/review of Samsung INR18650-35E 3500mAh (Pink) 2

    Samsung INR18650-35E 3500mAh (Pink) 2 Official specifications: Nominal capacity: 3500mAh Minimum capacity: 3350mAh Nominal voltage: 3,6V - 3,7V Charging voltage: 4,2V Discharge current: 8A Maximum discharge current: 13A Charge current: 0,6C 2000mA Discharge end...
  10. HKJ

    Test/review of E-Stream ES18650-26EP 2600mAh (Pink) 2021

    E-Stream ES18650-26EP 2600mAh (Pink) 2021 Official specifications: Nominal voltage: 3.65V Energy: 9.49 Wh Discharge cut-off voltage: 2.75V Maximum charge voltage: 4.2V Internal Impedance ACIR: 25mOhm Standard charge current: 1.3 (0.5C) Standard charge cut-off current: 130mA (0.05C) Maximum...
  11. HKJ

    Test/review of Vapcell INR18350 1400mAh F14 (Green) 2021

    Vapcell INR18350 1400mAh F14 (Green) 2021 Official specifications: Minimum Capacity: 1350 mAh Typical Capacity: 1400 mAh Nominal Voltage: 3.6V Charging Voltage: 4.20V Standard Charging Current: 0.5A Discharge End Voltage: 2.5V Max. Continuous Discharging Current: 3A This is a high capacity...
  12. HKJ

    Test/review of Vapcell INR18650 2500mAh R25 (Green) 2021

    Vapcell INR18650 2500mAh R25 (Green) 2021 Official specifications: Size: 18.3*65.0mm Nominal voltage: 3.60V End-of-charge voltage: 4.20V End-of-discharge Voltage: 2.50V Typical Capacity: 2500mAh (0.2C discharge) Min capacity: 2400mAh (0.2C discharge) Weight: Max:46g Internal resistance...
  13. HKJ

    Test/review of E-Stream ES18650-29MP 2900mAh (Green) 2021

    E-Stream ES18650-29MP 2900mAh (Green) 2021 Official specifications: Capacity Nominal: 2900mAh Capacity Minimum: 2750mAh Nominal Voltage: 3.7V Discharge cut-off voltage: 2.75 Maximum charge voltage: 4.2V Intern impedance: <=28mOhm Standard charge current: 1.425A Standard charge cut-off...
  14. HKJ

    Test/review of Vapcell INR18650 3000mAh V2.0 (Purple) 2021

    Vapcell INR18650 3000mAh V2.0 (Purple) 2021 Official specifications: Model: V2.0 INR18650 3000mah 20A Size: 18.3*64.9mm Typical Capacity: 3000mAh (0.2C discharge) Min capacity: 2900mAh (0.2C discharge) Nominal voltage: 3.60V Max Continuous Discharge Current: 20A End-of-charge voltage: 4.20V...
  15. HKJ

    Test/review of Vapcell INR18650 3000mAh P1830A (Black-green) 2020

    Vapcell INR18650 3000mAh P1830A (Black-green) 2020 Official specifications: Size: 18.4*69.5mm Nominal voltage: 3.60V End-of-charge voltage: 4.20V End-of-discharge Voltage: 2.50V Typical Capacity: 3000mAh (0.2C discharge) Min capacity: 2950mAh (0.2C discharge) Weight: Max:50g Internal...
  16. HKJ

    Test/review of Vapcell INR21700 5000mAh P2150A (Black-purple) 2021

    The output power is too low to get good use of higher voltages.
  17. HKJ

    Test/review of Vapcell INR21700 5000mAh P2150A (Black-purple) 2021

    Vapcell INR21700 5000mAh P2150A (Black-purple) 2021 Official specifications: Model: INR21700 5000mah 10A Size: 21.1*70.5mm Typical Capacity: 5000mAh (0.2C discharge) Min capacity: 4800mAh (0.2C discharge) Nominal voltage: 3.60V Max Continuous Discharge Current: 10A End-of-charge voltage...
  18. HKJ

    Test/review of Keeppower 21700 5000mAh P5150TC (White-Blue) 2020

    Keeppower 21700 5000mAh P5150TC (White-Blue) 2020 Official specifications: Voltage: 3.60V Typical capacity: 5000mAh Minimum Capacity: 4900mAh Discharge cut-off voltage: 2.50V Charge voltage: 4.20V +/- 0.05V Standard charge current: 1300mA Maximum constant discharge current: 8A USB type-C...
  19. HKJ

    Test/review of Keeppower 14430 1050mAh P1443C3 (Black) 2020

    Keeppower 14430 1050mAh P1443C3 (Black) 2020 Official specifications: Voltage: 3.70V Typical capacity: 1050mAh Minimum Capacity: 1000mAh Discharge cut-off voltage: 2.50V Charge voltage: 4.20V +/- 0.05V Standard charge current: 500mA Maximum constant discharge current: 2A This is...
  20. HKJ

    Test/review of Keeppower 16340 800mAh RCR123A (Black-Silver) 2020

    Keeppower 16340 800mAh RCR123A (Black-Silver) 2020 Official specifications: Voltage: 3.70V Typical capacity: 800mAh Minimum Capacity: 750mAh Discharge cut-off voltage: 2.50V Charge voltage: 4.20V +/- 0.05V Standard charge current: 500mA Maximum constant discharge current: 2A A 16340...
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