Dell ALA-12V3.5A 12V 3.5A 42W power adapter 5.5x2.5/2.1mm US plug
Delivers 12 V at up to 3.5 A with a 5.5 × 2.5 mm barrel plug compatible with 2.1 mm jacks
- Adapter typeUSB C Charger
- First connector5.5 × 2.5/2.1 mm Barrel Connector
- Second connector5.5 × 2.5/2.1 mm Barrel Connector
- Cable jacketPlastic
- Connector typeMale
- Units per package100
- Delivers 42W maximum output for demanding 12V devices
- Accepts 100-240V AC input for worldwide voltage compatibility
- Includes 5.5x2.5mm barrel plug compatible with 5.5x2.1mm jacks
- Built-in protection against over-voltage, short-circuit and overheating
- 140cm cable length gives flexible placement options
Dell ALA-12V3.5A 42W adapter
This Dell ALA-12V3.5A adapter delivers 12 V DC at 3.5 A for a maximum of 42 W. It accepts AC input from 100 V to 240 V at 50 Hz or 60 Hz. The barrel plug measures 5.5 mm outer diameter with a 2.5 mm or 2.1 mm inner diameter and uses centre-positive polarity. A US two-pin plug connects directly to the wall outlet.
Check voltage current and plug before ordering
Verify that your device requires exactly 12 V DC and draws no more than 3.5 A. Confirm the jack on the device matches the 5.5 mm by 2.5 mm or 2.1 mm barrel size and expects centre-positive wiring. Ensure the equipment operates within the 100 V to 240 V AC range so the adapter can be used without a separate voltage converter.
Fits cameras routers and similar 12 V gear
The 140 cm cable reaches from a floor outlet to a desk or shelf without strain. Centre-positive output powers security cameras wireless routers massage guns nail lamps and audio equipment that specify the same voltage and connector. Over-voltage short-circuit and over-temperature protection guard the connected hardware during continuous operation.
How it compares
Measured against everything we stock in AC Adapters & Power Bricks, at today’s prices. Recalculated every night.
- Price $13.99
- Cheaper than about 90% of the 3,875 comparable items (median $23.99).
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Specifications
| Product | |
|---|---|
| Brand name | Dell |
| Product line | ALA-12V3.5A |
| Model name | ALA-12V3.5A |
| Part number | ALA-12V2.5A |
| Product type | 9 V |
| Adapter type | USB C Charger |
| Product color | Black |
| Ports & slots | |
| First connector | 5.5 × 2.5/2.1 mm Barrel Connector |
| Second connector | 5.5 × 2.5/2.1 mm Barrel Connector |
| Connector type | Male |
| Size & build | |
| Cable jacket | Plastic |
| Product dimensions | 14.33 in W × 12.83 in H × 9.06 in D |
| Product weight | 4.3 oz |
| In the box | |
| Units per package | 100 |
| In the box | 100 |
Questions about this item
Does the box include just the adapter or also a power cord?
The package contains 100 units of the 12V 3.5A power adapter with a 5.5x2.5/2.1mm barrel connector and US plug. No separate AC cord is required because the plug is integrated.
The listing mentions several output wattages — which one matches the ALA-12V3.5A model?
The ALA-12V3.5A delivers 42W maximum output at 12V 3.5A. Other wattages such as 30W, 36W and 60W belong to different models in the comparison table.
Will the 42W rating actually power a device that draws 3.5A continuously?
Yes. The adapter is rated for a maximum continuous output of 3.5A at 12V, giving 42W. The output ripple is specified at 90mV and the cable length is about 140cm.
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