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The SM534 Dual USB Smart Charger is yet another example of big things coming in a small package! No larger than any other standard USB 5V charger, the SM534 can charge two devices at once, and offers a massive 3.4Amp output for charging up high capacity devices—fast! It also gives you the ability to change the plugs for international use—great for everyday use as well as for travel!


  • Dual USB Smart Charger
  • 2x USB Outputs
  • Universal AC Voltage input: 100~240VAC
  • Worldwide Adaptors
  • 3.4A High-Power Output for high capacity devices
  • AU and USA Adaptors included
  • UK and EU plugs available separately
  • Colour: White



Output Voltage DC 5-6V
Output Regulation ±5% Constant Voltage Mode
Current Regulation ±5% Constant Current Mode
Current limit 3.4A max @ 5-6V, 17W max
Ripple and Noise 100mVp-p max @ 20MHz
Maximum Power 17W max @ DC 5-6V
Hold-up Time 10ms Typical At Full Load @ 115V
  • Over-current Protection
  • Short-circuit Protection
  • Over-voltage Protection
Input Rated Input Voltage 100Vac ~ 240Vac
Input Voltage Range 90Vac ~ 264Vac
Input Current 500mA max. @ 100~240Vac Input
Rated Input Frequence 50/60Hz
Inrush Current 20A Max. @ 100-240Vac Input
Leakage Current 0.25mA Max
Efficiency Average efficiency achieves ES Level V and Euro COC V4.0
Environmental Operation Temperature 0°C to 40°C
Storage Temperature –10°C to 70°C
MTBF >80,000 Hours At Full Load And 25°C Ambient Temperature