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Rectangular black power brick with 7.4 by 5.0 mm barrel connector and US plug

DELL LA330PM190 330W 19.5V 16.92A AC Adapter

SKU CH-DQTP-TGJJ4

A 330W 19.5V AC adapter with 7.4mm barrel connector powers Dell G-series and Alienware gaming laptops

  • CompatibilityDell G15 G16 5530 7630 7620, Dell Alienwar X17 R1 R2, M17 R3
  • Battery Voltage20V
  • AC Adapter Voltage20V
  • AC Adapter Current11.8A
  • AC Adapter Output Power85W
  • FeaturesShort Circuit Protection, 7.4*5.0MM, Corded Electric, 0, typ
  • Delivers 330 W for demanding Dell gaming laptops
  • 5 V 16.92 A output matches original adapter specs
  • 4 × 5.0 mm connector fits G15, G16, Alienware X17, M17, Area-51m and more
  • Built-in OVP, OCP and short-circuit protection safeguards hardware
  • V-0 flame-retardant housing meets high safety standards

330W 19.5V AC Adapter for Dell Gaming Laptops

This new DELL LA330PM190 adapter delivers 330W at 19.5V and 16.92A through a 7.4 x 5.0mm barrel connector. It is built for Dell G15, G16, Alienware X17, M17, Area-51m and M18x models that require the ADP-330AB specification. The unit includes over-voltage, over-current and short-circuit protection.

Replacing a lower-wattage or failed Dell charger

If your current adapter is rated below 330W, the system may throttle performance or refuse to charge under load. Swapping to this 330W unit restores full power delivery for configurations that shipped with part numbers such as ADP-330AB B, ADP-330AB D, DA330PM190 or LA330PM160. The upgrade is only worthwhile when the original supply was 330W or when a lower-rated brick causes instability.

Verify connector size

Confirm the laptop uses a 7.4 x 5.0mm barrel tip and that the service tag lists a compatible part number from the supported series including 0XM3C3, 0Y90RR, F0K0N, 331-2429 or 450-17280. The adapter accepts 100-240V 50-60Hz input at 4.4A and includes a US plug. Do not use this unit on systems requiring a different voltage, current or connector geometry.

Highlights

  • Delivers 330 W for demanding Dell gaming laptops
  • 5 V 16.92 A output matches original adapter specs
  • 4 × 5.0 mm connector fits G15, G16, Alienware X17, M17, Area-51m and more
  • Built-in OVP, OCP and short-circuit protection safeguards hardware
  • V-0 flame-retardant housing meets high safety standards

Specifications

BrandDELL
ModelLA330PM190
Part NumberAD1951692A
CompatibilityDell G15 G16 5530 7630 7620, Dell Alienwar X17 R1 R2, M17 R3 R4, Area-51m R1 R2, P45E P48E P38E P48E001 P48E002 P48E003 P45E001 P45E002 P38E001 P38E002, Dell Alienwar X51 Desktop, Alienwar M18x R1 R2 R3 AM18X-6732BAA, Alienwar M18x-0136 W7HP64 M18X-0143
Battery Voltage20V
AC Adapter Voltage20V
AC Adapter Current11.8A
AC Adapter Output Power85W
FeaturesShort Circuit Protection, 7.4*5.0MM, Corded Electric, 0, type_a_2pin_na, 19.5 volts, 16.92 amps

Questions about this item

What connector size does the LA330PM190 use to fit the laptop power port?

The adapter uses a 7.4 mm by 5.0 mm barrel connector that matches the Dell G15, G16, Alienware X17, M17 and Area-51m charging ports.

How do I install the adapter, and what step is often missed?

Plug the US two-pin mains lead into a 100-240 V wall socket, then insert the 7.4 x 5.0 mm tip firmly until it seats; the step users miss is pushing the connector in fully so the lock clicks.

When will the AC cable or connector need replacement?

Replace the cord if the insulation frays near the strain relief or the 7.4 x 5.0 mm tip becomes loose; the adapter itself carries OVP, OCP and short-circuit protection to extend service life.

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