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WAWEIS black rectangular AC adapter with 10 ft cord

WAWEIS

WAWEIS AC/DC Adapter for LG SD-B191A Laptop Power Supply 10 Ft Cord

SKU CH-A1NT-BM8DD

AC/DC adapter compatible with LG SD-B191A laptops, includes 10 ft cord and worldwide 100-240V input

  • World-wide 100-240 V input works abroad
  • 10 ft cord reaches distant sockets
  • Over-voltage, over-current and short-circuit guards protect hardware
  • FCC, CE and RoHS marks confirm compliance
  • 12-month coverage backs the purchase

What this adapter does and who needs it

This WAWEIS AC/DC adapter replaces the LG SD-B191A laptop charger. It accepts worldwide input from 100 to 240 VAC at 50 or 60 Hz. The unit includes a 10 Ft power cord for flexible placement. Buyers who need a USB-C PD charger or a higher-wattage brick for a gaming laptop cannot use this model.

Behaviour under sustained load

The adapter carries FCC, CE and RoHS certifications and integrates over-current, over-voltage, short-circuit and total-power protection. A smart chip adds overheating protection while anti-interference materials improve isolation. These features are designed to maintain safe output during continuous operation. No thermal-throttling data or efficiency curves are supplied.

Installation and common issues

Connection is a direct plug into the laptop barrel jack and a standard mains socket. The 10 Ft cord reduces strain on the port and eases routing. The most frequent problem is tip-polarity or voltage mismatch if the wrong LG model is selected. Verify the SD-B191A part number before ordering.

How it compares

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

Price $37.99
Pricier than about 68% of the 27,790 comparable items (median $30.99).

Specifications

No published specifications for this item yet.

Questions about this item

How much heat and noise does the 10 ft power cord add when the adapter runs all day?

The adapter includes overcurrent, overvoltage, short-circuit and overheating protections with a smart chip, so it stays cool and silent during continuous use.

What must I already own for this WAWEIS adapter to power my laptop?

You need an LG SD-B191A laptop and a standard mains socket; the unit accepts 100-240 VAC at 50/60 Hz worldwide.

Will the adapter work safely alongside my older LG charger and other legacy peripherals?

Yes, it carries FCC, CE and RoHS certifications and provides anti-interference isolation, so it operates cleanly with existing equipment.

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