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Black rectangular laptop charger with barrel connector and detachable power cord

ABLEGRID

ABLEGRID 170W 20V 8.5A Charger for Lenovo ThinkPad W540 45N0514

SKU CH-QV6B-DZ0NE

Replacement 170 W 20 V 8.5 A power adapter with barrel tip for ThinkPad W540, includes AC cable and overload protection

  • Battery typeUPS
  • Delivers 170W power for Lenovo ThinkPad W540
  • Worldwide AC 100-240V input handles 50-60Hz mains
  • Barrel-tip connector matches original 45N0514 specification
  • Over-voltage and over-heat protection safeguards components
  • Includes charger and power cable in box

170W 20V 8.5A Replacement Adapter

This ABLEGRID charger delivers 170 watts at 20 volts and 8.5 amps for the Lenovo ThinkPad W540. It accepts worldwide AC input from 100 to 240 volts at 50 to 60 hertz. The barrel tip connector matches the original 45N0514 specification. It is a brand new, non-OEM unit built to CE, FCC and RoHS standards.

Over Voltage and Over Heat Protection

The adapter includes over voltage protection and over heat protection to safeguard the connected notebook. A detachable AC power cable is included in the package for immediate use. The supplier notes that buyers should verify the DC output and tip size before ordering. Proper ventilation is recommended during extended operation.

For ThinkPad W540 Owners Needing a Spare

This unit suits users who need a direct replacement or spare charger for the ThinkPad W540 with matching barrel tip dimensions. It is not suitable for laptops requiring a different voltage, amperage or connector type. Buyers who need USB-C Power Delivery or a higher wattage output should look elsewhere.

How it compares

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

Price $37.99
Pricier than about 90% of the 10,440 comparable items (median $10.99).

Specifications

Product
Brand nameABLEGRID
Power
Battery typeUPS

Questions about this item

Will the 170 W adapter or its barrel tip need replacing after heavy daily use?

The barrel tip and internal components are rated for continuous 20 V 8.5 A output; replace only if the tip becomes loose or the unit shows physical damage.

What thermal limit appears first when the charger runs at full 170 W load for hours?

Over-heat protection activates if internal temperature exceeds the design threshold, shutting the unit down until it cools.

How much heat and fan noise does the 20 V 8.5 A brick produce during all-day operation?

The adapter has no fan; it relies on passive convection, so it runs silent and warm — keep vents clear and avoid placing it on insulating surfaces.

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