Special Price $19.95 Regular Price $24.95
Out of stock
Klarus K1

Klarus K1 Li-ion and Ni-MH USB powered smart charger

The Klarus K1 can charge almost all cylindrical rechargeable batteries including popular 18650, 16340, 14500, 26650, AA, AAA and C cell batteries. The K1 is compact and portable and charges with a standard Micro-USB input. It has selectable charge currents of 0.5A and 1A. Safety features include short-circuit, over current and over charge protection. Super versatile compact charger.


  • Made from durable, fire-retardant ABS plastic
  • LED display clearly shows charging progress of installed battery
  • User able to choose desired output charging current (0.5A or 1.0A) to better fit their needs
  • Features auto-activation function
    • Automatically reactivates "zero-voltage" short-circuit protected Li-Ion batteries that have been fully discharged
    • Will not charge a battery that can't be reactivated
  • DV/dt Control technology allows Ni-MH and Ni-Cd batteries to charge more fully
  • Overcharge protection to prevent damage to the battery
  • Built-in reverse polarity and short-circuit protection for safer charging
  • Optimal heat dissipation prevents charger from overheating from extended use
  • Comes with micro-USB charging cable


  • Input: Micro-USB DC 5V / 1A
  • Output Voltage: 4.35V / 4.2V / 3.65V / 1.48V ±1%
  • Output Current: 0.5A or 1.0A
  • Compatible with:
    • Li-Ion (3.7V-3.85V) / LiFePO4: 26650, 22650, 18650, 18490, 18350, 17670, 17500, 16340 (RCR123), 14500, 10440
    • Ni-MH / Ni-Cd: AA, AAA, AAAA, C
  • Dimensions:
    • Length - 115 mm
    • Width - 37 mm
    • Height - 32 mm
  • Weight: 62 g
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