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White rectangular wall charger with four USB ports and foldable US prongs

LUOM

LUOM BK376 48W QC 3.0 4-Port USB Wall Charger White

SKU CH-EE0S-MV26Z

Four USB ports supply 48 W total power with one Quick Charge 3.0 port plus three 5 V 3.1 A ports in a portable white wall adapter

  • TypeWall Charger
  • Compatible Phone ManufacturerUniversal
  • Compatible Phone ModelUniversal
  • ColorWhite
  • AdapterUSB
  • Standard USB Port4
  • Charge four devices simultaneously with four USB ports
  • Fast-charge compatible phones via Quick Charge 3.0 port
  • Protect devices with built-in rugged safeguards
  • Smart chip matches optimal current for each device
  • Works worldwide on 100-240V AC input

48W Four-Port USB Wall Charger

The LUOM BK376 delivers up to 48W total output across four USB-A ports, one supporting Quick Charge 3.0 at 5V/3A and three standard ports at 5V/3.1A maximum. It accepts AC 100-240V 50-60Hz input, making it suitable for worldwide travel with the appropriate plug adapter. The compact white enclosure is designed for indoor use at home, in the office or on the move.

Thermals Noise and Power Draw

The charger operates silently with no moving parts, relying on passive cooling through its ruggedised housing. Built-in protection circuits guard against over-current, over-voltage, short-circuit and overheating during normal multi-device charging. An intelligent chip negotiates the optimal current for each connected device, keeping power draw efficient and component temperatures low.

Sustained Load Behaviour

When all four ports are used simultaneously the unit maintains its rated 48W total output without throttling, thanks to the smart current-matching logic. The Quick Charge 3.0 port continues to supply 5V/3A while the remaining ports share the balance up to their 5V/3.1A individual limits. Protection systems remain active throughout extended sessions, preventing thermal buildup or voltage drift.

Highlights

  • Charge four devices simultaneously with four USB ports
  • Fast-charge compatible phones via Quick Charge 3.0 port
  • Protect devices with built-in rugged safeguards
  • Smart chip matches optimal current for each device
  • Works worldwide on 100-240V AC input

Specifications

BrandLUOM
SeriesBK376
ModelBK376
TypeWall Charger
Compatible Phone ManufacturerUniversal
Compatible Phone ModelUniversal
ColorWhite
AdapterUSB
Standard USB Port4
FeaturesRugged Protection

Questions about this item

How do I plug the LUOM BK376 into a wall outlet and which port should I use for Quick Charge 3.0?

Insert the supplied US, EU or UK plug into any 100-240 V AC socket. The single Quick Charge 3.0 port delivers up to 5 V/3 A; the other three ports share a 5 V/3.1 A maximum.

What upkeep does the LUOM BK376 need over time?

No internal parts require replacement. Keep the vents clear of dust and avoid covering the charger while it is running to maintain the built-in protection circuits.

At what point does the LUOM BK376 throttle during continuous charging of four devices?

The total output is capped at 48 W. When combined draw reaches that limit the intelligent chip reduces current across the ports to stay within the 5 V/3.1 A shared maximum.

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