We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black rectangular AC adapter with 4.5 by 3.0 mm round tip connector

2-Power SK90A195231 85W AC Adapter 4.5*3.0 mm

SKU CH-QP9D-X0HXV

85W laptop charger with 4.5×3.0 mm tip for Dell Inspiron, Latitude and XPS models

  • CompatibilityLaptops
  • Battery Voltage20V
  • AC Adapter Voltage20V
  • AC Adapter Current3.42A
  • AC Adapter Output Power85W
  • FeaturesShort Circuit Protection, Proprietary, Corded Electric, UL,
  • Delivers 85 W at 20 V / 3.42 A for reliable laptop charging
  • Round 4.5 mm × 3.0 mm connector fits many Dell models
  • Built-in short-circuit protection guards connected hardware
  • Wide 100–240 V input works worldwide
  • Weighs 0.57 lb for easy portability

Compatible Dell charger

The 2-Power SK90A195231 is an 85W AC adapter built for Dell laptops that use the 4.5 mm by 3.0 mm barrel connector. It delivers 19.5V at 3.42A and accepts a 100-240V input for worldwide use.

Protection and portability

Short-circuit protection guards the laptop and the adapter during a fault. The unit is corded and compact, making it easy to pack for travel or keep as a spare at a second desk.

For Dell owners with the round tip

Buyers who need a replacement for a Dell part such as D0KFY, JHJX0 or LA45NM131 will find the correct fit. Users whose laptops require a different connector size or a higher wattage rating should look at another model.

Highlights

  • Delivers 85 W at 20 V / 3.42 A for reliable laptop charging
  • Round 4.5 mm × 3.0 mm connector fits many Dell models
  • Built-in short-circuit protection guards connected hardware
  • Wide 100–240 V input works worldwide
  • Weighs 0.57 lb for easy portability

Specifications

Brand2-Power
ModelSK90A195231
Part NumberSK90A195231
CompatibilityLaptops
Battery Voltage20V
AC Adapter Voltage20V
AC Adapter Current3.42A
AC Adapter Output Power85W
FeaturesShort Circuit Protection, Proprietary, Corded Electric, UL, 0, no_plug, 19.5 volts
Weight0.5709972585800001 pounds

Questions about this item

Will the 4.5*3.0 mm connector tip wear out and need replacing?

The barrel connector is a standard 4.5 mm outer and 3.0 mm inner diameter; it is a passive metal tip with no moving parts, so it does not wear out under normal insertion cycles.

What limits continuous output when the adapter runs at 85 W?

The unit is rated for 20 V at 3.42 A (85 W) maximum; sustained loads at that level will hit the current limit first, triggering the built-in short-circuit protection.

How much heat and noise does the 85 W adapter produce during all-day use?

It is a sealed corded brick with no fan; at full 85 W load it warms to a typical external temperature but remains silent.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.