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Compact black car power adapter with 5.5x2.1mm barrel plug and cigarette lighter plug

SMUGDESK

SMUGDESK 9V 1A 2A Car DC Power Adapter 5.5x2.1mm

SKU CH-217Y-DS7VQ

Converts a 12 V car socket to regulated 9 V DC with 5.5 × 2.1 mm barrel plug and built-in safety protections

  • Converts 12 V car power to stable 9 V output
  • Dual 1 A and 2 A current options match device needs
  • Standard 5.5 mm × 2.1 mm barrel plug fits common gear
  • Built-in overcurrent, overvoltage and short-circuit protection
  • Compact plug-and-play design inserts directly into cigarette lighter

Portable 9 V car power adapter

This SMUGDESK adapter converts a vehicle's 12 V cigarette lighter socket to a stable 9 V DC output. It provides selectable 1 A or 2 A current options for various low-voltage electronics. The standard 5.5 mm by 2.1 mm barrel jack fits many common devices. Built-in protections guard against overcurrent, overvoltage and short circuits.

Check your device before ordering

Verify that your equipment requires exactly 9 V DC input and draws no more than 2 A. Confirm the power connector matches the 5.5 mm outer and 2.1 mm inner barrel dimensions. Ensure your vehicle supplies a standard 12 V accessory socket. The adapter is designed only for step-down conversion from 12 V sources.

Suits mobile low-power 9 V gear

Ideal for powering routers, CCTV cameras, portable fans or test instruments on the road. Not suitable for devices needing voltages other than 9 V or currents above 2 A. Buyers who want more output flexibility or a different connector type should look at something else.

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

No published specifications for this item yet.

Questions about this item

Does the adapter include the cigarette-lighter plug and the 5.5×2.1 mm barrel connector, or must I buy a separate cable?

The unit plugs directly into the vehicle cigarette-lighter socket and terminates in a fixed 5.5 mm outer × 2.1 mm inner DC barrel plug, so no extra cable is required.

Should I select the 1 A or the 2 A version for my 9 V router?

Choose the 2 A model if the router's label shows a current draw above 1 A; otherwise the 1 A version is sufficient and runs cooler.

Will the adapter maintain a steady 9 V when the car electrical system fluctuates between 12 V and higher voltages?

The built-in buck converter regulates the 12 V vehicle supply down to a stable 9 V output and includes over-voltage, over-current and short-circuit protection to handle voltage spikes.

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