We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black rectangular AC adapter with 10 ft power cord

WAWEIS

WAWEIS 19V 2.1A 40W ac adapter

SKU CH-9959-XSBZB

A 19V 2.1A 40W AC adapter with 10 ft cord, 100-240V input and FCC, CE, RoHS certifications

  • World-wide 100–240 VAC input works anywhere
  • 10 ft power cord gives flexible placement
  • Over-current, over-voltage and short-circuit protection keeps equipment safe
  • FCC, CE and RoHS certified for compliance
  • 19 V 2.1 A 40 W output matches original charger specs

19V 2.1A 40W AC Adapter for Samsung Ultrabooks

This 40W mains power supply delivers 19V at 2.1A for compatible Samsung Series 3, 5, 7 and 9 ultrabooks including NP300U1A, NP900X3 and Slate 500c models. It replaces original part numbers AD4019P, AA-PA2N40S, AD-4019W and AA-PA3NS40. The unit ships new with a 10 ft total cord length.

Continuous operation with world-wide input

The adapter accepts 100-240VAC at 50/60Hz for global use and maintains steady output under sustained load. Built-in safeguards include over-current protection, over-voltage protection, short-circuit protection and total power protection. A smart chip provides overheating protection while quality wires and isolation materials add overload and anti-interference defence.

19V 2.1A fixed output determines compatibility

This charger supplies a single 19V 2.1A rail rated at 40W; it cannot power devices that require a different voltage or higher current. Buyers needing more wattage or a different connector for other laptop families will not be served by this unit. Certification marks include FCC, CE and RoHS.

Highlights

  • World-wide 100–240 VAC input works anywhere
  • 10 ft power cord gives flexible placement
  • Over-current, over-voltage and short-circuit protection keeps equipment safe
  • FCC, CE and RoHS certified for compliance
  • 19 V 2.1 A 40 W output matches original charger specs

Specifications

No published specifications for this item yet.

Questions about this item

Does the 19V 2.1A adapter run hot or make noise when powering a laptop all day?

The 40W unit has overload, over-voltage and short-circuit protection plus a smart chip for overheating protection, so it stays cool and silent during continuous use.

What must I already own to use this 19V 2.1A charger?

A laptop that accepts 19V 2.1A through a matching barrel connector and a standard mains socket for the 100-240VAC input.

Will this 19V 2.1A supply work safely with an older Samsung Series 3 ultrabook?

Yes, it is listed as a direct replacement for Series 3, 5, 7 and 9 models including the NP300U1A and NP900X3, with FCC, CE and RoHS certification.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.