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Black rectangular power adapter with cigarette lighter socket and long power cord

BFKK

BFKK AC to DC 12V 20.8A 250W Power Adapter with Cigarette Lighter Socket

SKU CH-F7SC-WSS82

Converts 100-240V AC to 12V DC at 20.8A with built-in cigarette lighter socket and protection circuits for automotive devices up to 250W

  • Powers 12 V car devices from 100–240 V mains
  • Delivers up to 20.8 A / 250 W continuous output
  • Auto fan spins at 8 A to keep temperatures safe
  • Four-way protection guards against over-voltage, over-current, over-temp and shorts
  • 5 ft cord reaches distant wall sockets

Universal 12 V 250 W adapter for car electronics

This AC-to-DC converter accepts 100–240 V mains input and delivers up to 20.8 A at 12 V through a built-in cigarette-lighter socket. It powers most 12 V automotive accessories rated below 250 W, including tyre inflators, portable fridges and cleaning devices. The unit is not suited for equipment that draws more than 250 W continuously or for installations that require a hard-wired DC output.

Smart fan cooling with multi-level protection

A silent fan spins only when the load reaches 8 A or higher, keeping the adapter cool without unnecessary noise at lighter loads. Automatic over-voltage, over-current and over-temperature safeguards shut the unit down with an audible beep if the draw exceeds 300 W; operation resumes once the load drops below 250 W. A 660 W threshold triggers an internal fuse that permanently disables the converter if severely overloaded.

11.5 ft cord and broad device compatibility

The 11.5 ft power cable lets the adapter reach wall outlets across a garage or workshop while the car-style socket accepts plugs from compressors, coffee makers, dash cams, fans and similar 12 V gear. No additional wiring harnesses, mounting brackets or configuration software are included, so installers needing bare-lead output or rack-mount hardware must source those separately.

Highlights

  • Powers 12 V car devices from 100–240 V mains
  • Delivers up to 20.8 A / 250 W continuous output
  • Auto fan spins at 8 A to keep temperatures safe
  • Four-way protection guards against over-voltage, over-current, over-temp and shorts
  • 5 ft cord reaches distant wall sockets

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the BFKK 12V 20.8A adapter and what step do people often miss?

Plug the AC cord into a 100~240V 50/60Hz wall outlet, then insert your device's cigarette lighter plug into the socket. The step often missed is checking that your device draws 20.8A or less so you do not exceed the 250W maximum.

What maintenance or replacement will this adapter need later?

The built-in cooling fan activates at 8A and above to manage heat. Keep the fan vents clear of dust so it can spin freely; if the fan fails or the internal fuse blows after a sustained load over 660W, the unit cannot be repaired and must be replaced.

What limit appears first during sustained use of this 250W adapter?

Continuous loads above 250W will greatly shorten the lifespan. If the load exceeds 300W the adapter stops and beeps until the load drops below 250W, and a sustained load over 660W blows the internal fuse permanently.

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