Dell 15V 3A 45W Power Adapter 5.5 x 2.5mm Center Positive
A 45 W, 15 V 3 A AC-DC adapter with a 5.5 × 2.5 mm centre-positive plug that also fits 5.5 × 2.1 mm devices
- Adapter typeUSB C Charger
- First connectorRound
- Second connectorRound
- Cable jacketPlastic
- Connector typeMale
- Units per package1
- Reliable power for Dell devices with 15 V 3 A 45 W output
- Worldwide input range 100 V to 240 V at 50 Hz or 60 Hz
- Fits both 5.5 mm x 2.5 mm and 5.5 mm x 2.1 mm centre-positive plugs
- Built-in over-voltage over-current short-circuit and over-temperature protection
- New original-equipment adapter tested to meet safety and performance standards
Dell 15 V 3 A Power Adapter
This 45 W Dell adapter accepts 100 V to 240 V input at 50 Hz or 60 Hz and delivers 15 V at 3 A through a 5.5 mm x 2.5 mm centre-positive barrel plug. It is intended for laptops or peripherals that require exactly 15 V 3 A and use that connector size. Buyers whose equipment needs a different voltage, amperage or plug diameter cannot use this unit.
Safety Protections and Connector Flexibility
Built-in over-voltage, over-current, short-circuit and over-temperature circuits protect the connected device from power anomalies. The supplied tip also fits 5.5 mm x 2.1 mm sockets, so the same adapter can serve equipment with either inner-pin size without an extra converter. No software or additional accessories are included in the package.
Installation and Common Issues
Connection is a simple plug-in to a mains socket and the device’s DC jack; no drivers or configuration are required. The most frequent problem is mismatched polarity or voltage — verify that the device label states 15 V centre-positive before attaching. The fixed 14.33 in x 12.83 in x 9.06 in dimensions may limit placement in tight spaces.
How it compares
Measured against everything we stock in AC Adapters & Power Bricks, at today’s prices. Recalculated every night.
- Price $20.99
- Cheaper than about 56% of the 3,875 comparable items (median $23.99).
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Specifications
| Product | |
|---|---|
| Brand name | Dell |
| Product type | 9 V |
| Adapter type | USB C Charger |
| Ports & slots | |
| First connector | Round |
| Second connector | Round |
| Connector type | Male |
| Size & build | |
| Cable jacket | Plastic |
| Product dimensions | 14.33 in W × 12.83 in H × 9.06 in D |
| In the box | |
| Units per package | 1 |
| In the box | 1 |
Questions about this item
Will the 5.5mm x 2.5mm DC plug or the 14.33in x 12.83in x 9.06in brick need periodic replacement?
The adapter has no user-serviceable parts; if the cable frays or the brick fails, replace the whole unit.
What limits continuous 45W output first — the 3A current cap or the over-temperature protection?
Over-temperature protection will shut the unit down before the 3A limit is exceeded under sustained load.
How much heat and fan noise does the 15V 3A brick produce when running 24/7?
The sealed plastic case has no fan; it runs silent and warm, relying on passive convection to dissipate heat.
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