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Black rectangular AC adapter with detachable power cord

WAWEIS

WAWEIS M305D-S4828 19V 4.74A 90W ac adapter

SKU CH-JHDD-E8WRF MPN M305D-S4828

19V 4.74A 90W AC adapter with 10 ft cord and FCC CE RoHS certifications

  • World-wide 100–240 V input suits travel or home use
  • 90 W output at 19 V 4.74 A powers the notebook reliably
  • Ten-foot power cord gives flexible desk placement
  • Over-current, over-voltage and short-circuit safeguards protect hardware
  • FCC, CE and RoHS certifications confirm safety compliance

Purpose & Compatibility

The WAWEIS M305D-S4828 is a 19V 4.74A 90W AC adapter built as a direct replacement for specific Satellite notebook models including M305D-S4828, M305D-S4829 and part numbers PA3165U-1ACA and PA3097U-1ACA. It is suited for users who need a reliable mains charger that matches the original voltage and current ratings without modification. Buyers whose laptops require a different connector polarity, wattage or voltage will not be served by this unit.

Sustained Operation

The adapter accepts a wide 100-240VAC input at 50/60Hz, allowing it to run continuously on mains supplies worldwide without a separate voltage switch. Integrated protections — over-current, over-voltage, short-circuit, total power and overheating — engage automatically if the load or supply drifts outside safe limits, letting the brick maintain its 90W output during extended charging sessions. A 10 ft total cord length gives practical reach between the wall socket and the laptop without tension on the connectors.

Interface Limits

The barrel connector and pinout are fixed to the listed Satellite models, so the adapter cannot be used with laptops that require a different tip size, centre-positive/negative arrangement or proprietary communication protocol. Output is limited to 19V at 4.74A; devices that draw more current or expect a higher voltage will not charge correctly. No USB-C Power Delivery, adjustable voltage or data negotiation is supported, so the brick serves only the single fixed-profile application it was designed for.

Highlights

  • World-wide 100–240 V input suits travel or home use
  • 90 W output at 19 V 4.74 A powers the notebook reliably
  • Ten-foot power cord gives flexible desk placement
  • Over-current, over-voltage and short-circuit safeguards protect hardware
  • FCC, CE and RoHS certifications confirm safety compliance

Specifications

No published specifications for this item yet.

Questions about this item

Does the 90 W adapter stay cool and quiet when powering a laptop all day?

The unit includes overheating protection with a smart chip and short-circuit protection, designed for continuous operation without excessive heat or noise.

What must I already have for this 19 V 4.74 A charger to work with my Satellite notebook?

You need a laptop that accepts a 19 V 4.74 A barrel connector; the package supplies the 10 ft power cord and wall plug.

Will this PA3165U-1ACA replacement run safely alongside an original PA3097U-1ACA brick I keep as a spare?

Both adapters share the same 19 V 4.74 A 90 W output and 100-240 V input, so either can power the notebook interchangeably.

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