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Klarus CH4S SMART Charger

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0.50 LBS
Calculated at checkout

Product Description


Microcomputer control system allows each of the four battery slots to charge individually

  • Capable of charging 4 batteries simultaneously (Ni-MH/Ni-Cd/ LiFePO4/ 3.7V Li-ion)
    •    Li-ion:26650 22650 18650 18490 17670 17500 16340 14500 10440
    •    LiFePO4:16340(RCR123A)
    •    Ni-MH/Ni-Cd:AA AAA AAAA C
  • •The 12 LEDs (4 groups) will clearly display the charging progress of the batter Charging voltage is from AC100V to 240V or DC12V, safe to use on all power grids in cities worldwide
  • -dV/dt Control technology to charge Ni-MH and Ni-Cd batteries more fully
  • Built-in reverse polarity and short-circuit protection
  • Features over-charge protection to prevent battery damage. Automatically stops charging when complete
  • Auto-activation function:
    •    a). Automatically reactivates “zero voltage” short-circuit protected Li-ion batteries that have been completely drained of power
    •    b). Three corresponding indicator lights flash simultaneously when attempting to charge a  battery that cannot be reactivated
  • Made from durable ABS (fire retardant/flame resistant) for your safety
  • Designed for optimal heat dissipation, long lifespan


  • Input Voltage: AC 100-240V 50/60Hz DC 12V
  • Output Voltage, Current:
    •    4.2V±1%V, 375mA×4 750mA×2
    •    3.6V±1%V, 375mA×4 750mA×2
    •    1.48V±1%V, 375mA×4 750mA×2


 Note: Slots 1 and 3 constitute one group; Slots 2 and 4 constitute the other group when using one battery in a single group, the battery charging current is 750mA. If charging 26650 batteries, the two outside slots must be used.

  • Compatible with: Li-ion, Ni-MH, LiFePO4, Ni-Cd
    •    Li-ion:26650 22650 18650 18490 17670 17500 16340 14500 10440
    •    LiFePO4:16340(RCR123A)
    •    Ni-MH, Ni-Cd:AA AAA AAAA C
  • Size:138mm×96mm×36mm
  • Weight: charger weight 165g,charge cable weight 40g
  • Optimal working environment:5%(0°C)-90%(35°C) (fully-laden regular activity)
  • Storage temperature: 0°C-40°C


Charge indicator lights

  • Power light—1 blue LED, Capacity lights ---12 yellow LEDs
  • Indicator lights illuminate when first switched on to perform a self-test, then switch off again
  • Charging state indicated by sequential power grid illumination
  • If self-test fails, the 3 yellow LEDs will flicker.   If the battery is full, the 3 yellow LEDs will all be illuminated.


If found to be defective within 15 days from date of purchase, your KLARUS C2 charger will be replaced. Thereafter, within 12 months of purchase, the CHARER will be repaired. Beyond 12 months, the warranty covers labor costs and maintenance but Excludes accessories or replacement parts

 The warranty is nullified in any of the following situations:

  1.    The product(s) is/are broken down, reconstructed and/or modified under unauthorized conditions
  2.    The product(s) is/are damaged through improper use
  3.    The product(s) is/are damaged by batteries leakage

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