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Black rectangular AC adapter with 4-pin connector and long power cord

WAWEIS

WAWEIS 4-Pin AC/DC Adapter 20V DC 10 Ft Power Cord

SKU CH-XYSE-NM1S8

A 4-pin 20V DC power adapter with a 10 ft cord and worldwide 100-240V input, certified FCC, CE and RoHS

  • World-wide 100-240 VAC input lets you charge anywhere
  • 10 ft total cord length gives flexible desk placement
  • FCC, CE and RoHS certified for regulated safety
  • Over-current, over-voltage and short-circuit protection guards hardware
  • 12-month warranty backs reliable daily use

WAWEIS 20V 4-Pin AC Adapter

This WAWEIS adapter replaces an FSP 51-L57W2-010 unit and delivers 20V DC power to compatible laptops. It accepts worldwide 100-240VAC input at 50/60Hz and carries FCC, CE and RoHS certifications. The 10 ft cord length gives flexible placement for home or office use.

Plug-in installation with 4-pin connector

The adapter connects directly through its 4-prong plug without tools or configuration. Built-in over-current, over-voltage, short-circuit and total-power protection circuits guard the laptop during voltage irregularities. A smart chip adds over-heating and anti-interference safeguards for stable operation.

20V DC output for matched laptop models

The unit supplies 20V DC to laptops that require this exact voltage and 4-pin interface. It will not power devices needing a different voltage, pin count or proprietary connector. Buyers should verify their original part number against 51-L57W2-010 before purchase.

How it compares

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

Price $36.99
Pricier than about 66% of the 27,790 comparable items (median $30.99).

Specifications

No published specifications for this item yet.

Questions about this item

How can I confirm the adapter is delivering 20 V DC after I connect it?

The unit powers on the laptop and charges the battery normally; the built-in over-voltage, over-current and short-circuit protections keep output stable.

What comes in the box and is the mains lead included?

The package contains the 4-pin adapter and a 10 Ft power cord; no extra cables are required.

Which connector version matches my FSP part number 51-L57W2-010?

This model is a direct replacement for FSP P/N 51-L57W2-010 and 51L57W2010 with a 4-prong 20 V DC plug.

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