BASEUS 12V 4A 48W AC Adapter 5.5mm x 2.5mm Plug
Delivers 12 V at up to 4 A with 100-240 V input and 5.5 mm × 2.5 mm plug
- Product typeAC Adapters
- Delivers up to 48 W for 12 V devices
- Accepts 100–240 V input for worldwide use
- Includes overload, over-voltage, over-temperature and short-circuit protection
- Fits 5.5 mm × 2.5 mm barrel connectors
- Supplies 4 A continuous current for LED strips, cameras and more
Universal 12V power supply
This BASEUS adapter converts 100-240V mains input at 50 or 60Hz into a regulated 12V DC output rated at 4A and 48W maximum. It is built for anyone replacing a lost or faulty 12V brick for LED strips, CCTV cameras, printers, keyboards, TV boxes or speakers that draw up to 48W.
Thermal and electrical behaviour
The unit carries automatic overload, over-voltage, over-temperature and short-circuit cut-offs that shut the output down before components overheat. In normal operation it runs silently with no moving parts and draws only the power the connected load requires up to the 48W ceiling.
Replacement scope and limits
It directly replaces any 12V adapter with a 5.5mm outer and 2.5mm inner barrel plug where the original unit supplied 4A or less. The bundle includes one extra 2.1mm tip, but devices needing a different barrel size, higher amperage or a locking connector are not compatible.
How it compares
Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.
- Price $14.99
- Cheaper than about 83% of the 27,790 comparable items (median $30.99).
Specifications
| Product | |
|---|---|
| Product type | AC Adapters |
Questions about this item
How do I install the 5.5 mm x 2.5 mm plug and which step is often missed?
Match the 5.5 mm outer and 2.5 mm inner diameters to the device jack, insert fully until it clicks, and verify the unit draws less than 4 A so the 48 W limit is not exceeded.
What maintenance or replacement will this adapter need later?
No routine maintenance is required; if the overload, over-voltage, over-temperature or short-circuit protection triggers repeatedly, replace the adapter.
What limit appears first during sustained use?
The 48 W maximum output is the first ceiling; continuous loads above 4 A will activate the overload cut-off.
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