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Black rectangular AC adapter with detachable power cord, 19V output

myVolts

myVolts AC Adapter 19V for Samsung ATIV Book 5 NP540U4E

SKU CH-NQ0B-2P8V9

19 V AC adapter powers Samsung ATIV Book 5 ultrabooks, includes power cord, worldwide 100-240 V input, over-voltage, short-circuit and over-current protection

  • World-wide 100-240V input works anywhere
  • 19V output matches original Samsung specification
  • Over-voltage, short-circuit and over-current protection built in
  • Includes power cord for immediate use
  • 30-day money-back and 3-year service coverage

19V AC Adapter for Samsung ATIV Book 5

This 19V AC adapter replaces the original charger for Samsung ATIV Book 5 NP540U4E ultrabooks. It supplies the exact voltage the notebook expects and includes the detachable power cord. The unit is new and built to match the laptop's input requirements.

Worldwide input with protection circuits

The adapter accepts 100-240VAC at 50/60Hz for use across different mains supplies. Built-in safeguards provide over voltage protection, short circuit protection and over current protection during normal operation. The design delivers stable 19V output without excess heat or audible noise.

Direct replacement for listed ultrabook models

Compatible with NP540U4E-K01US, NP540U4E-K04US and NP540U4E-K03US units, it plugs straight into the existing DC jack. No extra cables or converters are required, freeing the original charger for spare or travel use. The package includes the adapter and a standard mains cord.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $33.99
Pricier than about 60% of the 27,790 comparable items (median $30.99).

Specifications

No published specifications for this item yet.

Questions about this item

How do I connect the 19V adapter to my Samsung ATIV Book 5 NP540U4E and what step is often missed?

Plug the barrel connector firmly into the laptop's DC jack until it seats, then attach the supplied power cord to the adapter and a 100-240VAC outlet. The step often missed is verifying the LED on the adapter lights up, confirming 19V output before booting.

What part of this charger will need replacement first with daily use?

The detachable AC power cord typically wears out before the adapter body, especially where it flexes at the strain relief. The adapter itself includes over-voltage, short-circuit and over-current protection to extend its service life.

What thermal limit appears first when the 19V adapter runs continuously at full load?

The internal over-temperature protection will trigger and shut down output before components overheat. After cooling, the adapter automatically resumes 19V delivery. Ensure the vents stay unobstructed during sustained use.

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