KLARUS K1 Smart USB Battery Charger for Li-ion/Ni-MH/Ni-Cd/LiFePO4 Battery

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Microcomputer control technology, LED display, auto-activation, optimal heat dissipation, reverse polarity, short circuit and overcharge protection.

KLARUS K1 is capable of charging almost all types of rechargeable batteries including Li-ion, Ni-MH/Ni-Cd/LiFePO4 batteries, etc. It features built-in reverse polarity, short circuit and overcharge protection to prevent battery damage. In addition, it automatically stops charging when complete. Made of durable ABS, it is safe for long-term use.


  • Microcomputer control technology for intelligent charging
  • Capable of charging almost all types of rechargeable batteries: Ni-MH/Ni-Cd/ LiFePO4/3.7V Li-ion/3.85V Li-ion.
  • LED display clearly shows charging progress.
  • Charger cable DC 5V micro USB port connects directly to either a car charger plug, a computer USB port or other USB charger plug for charging at home or while travelling.
  • 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: Automatically reactivates “zero voltage” short-circuit protected Li-ion batteries that have been completely drained of power; will not charge a battery that cannot be reactivated.
  • Made of durable ABS (fire retardant/flame resistant) for your safety.
  • Optimal heat dissipation design for long lifespan.


Model K1
Material ABS
Input Power Micro USB DC 5V/1A
Output Voltage 4.35V/4.2V/3.65V/1.48V ±1%
Output Current 0.5A/1A
Compatible with LiFePO4, 3.7V/3.85V Li-ion, Ni-MH, Ni-Cd
Li-ion: 26650/22650/18650/18490/18350/17670/17500/16340/14500/10440 16340 (RCR123A)
Optimal Working Environment 5% (0 Deg.C)-90% (35 Deg.C) (fully-laden regular activity)
Storage Temperature 0-40 Deg.C
Product Weight 62g
Product Size 115 x 37 x 32 mm
Package Contents 1 x Battery Charger, 1 x Micro USB Cable
More Information
SKU ZP3050251111158
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