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4-Bay Smart Charger
Klarus has gone ahead and updated their CH4S smart charger. We now have the CH4S, Klarus' first 4-bay multi-battery charger with individual display functions of voltage, charging progress, and capacity. The CH4S is able to charge a multitude of battery chemistries, such as LiFePO4, Li-Ion, NiMh, and NiCd batteries. Don't worry if you insert the batteries incorretly, as the built-in reverse polarity protection and short-circuit protection will prevent from damaging the charger.

The star of the show here goes to the LCD display, which will update every second to keep you in the loop on the charging process. Constructed from durable ABS plastic, which is fire retardant and flame resistant, the CH4S is designed for optimal heat dissipation, providing you with a long life span. Pick up the new Klarus CH4S Smart Charger today and charge all of your rechargeable batteries with ease.



  • Microcomputer control system allows each of the four battery slots to charge and display the voltage and charging capacity of each battery independently
  • Capable of charging 4 batteries simultaneously (Ni-MH/Ni-Cd/LiFePO4/3.7V Li-ion/3.8V Li-ion)
    • Li-ion:26650 22650 18650 18490 17670 17500 16340 14500 10440 16340 (RCR123A)
    • Ni-MH/Ni-Cd:AA AAA AAAA C
  • Charging voltage is from 100-240V, suitable for use in ANY country worldwide
  • LCD panel clearly displays battery's charging progress, type, voltage and capacity
  • Can be used to charge batteries either as a Car charger with DC (5V 2A) or as a home charger using AC
  • DV Control technology improves the charging efficiency and shortens the charging time
  • Built-in reverse polarity and short-circuit protection
  • Features over-charge protection to prevent battery damage. Automatically stops charging when complete
  • Auto-activation function:
    • Automatically reactivates “zero voltage” short-circuit protected Li-ion batteries that have been completely drained of power
    • LCD displays “null” 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 5V 2A
  • Output Voltage: 4.35V±0.02V / 4.2V±0.2V / 3.6V±0.02V / 1.43V±0.02V
  • Compatible with:
    • LiFePO4 / Li-ion: 26650, 22650, 18650, 18490, 17670, 17500, 16340, 14500, 10440, 16340 (RCR123)
    • Ni-MH / Ni-Cd: AA, AAA, AAAA, C
  • Optimal working environment: humidity 5-90% and temperature 0-35°C ( fully-laden regular activity)
  • Storage temperature: 0°C - 40°C
  • Dimensions:
    • Length: 5.7" | 145 mm
    • Width: 3.9" | 100 mm
    • Height: 1.5" | 38 mm
  • Weight: 9.2 oz | 260 g

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