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Black 12V power splitter with three ports and 22 in cord

RoadPro

RoadPro RP492 4-in-1 12V Power Adapter car electronics accessory

SKU CH-B94S-75SQS

A 12 V power splitter adds three 12 V auxiliary ports and a cup-holder outlet on a 22 in cord, delivering 2.1 A for 12 V devices

  • Four devices from one socket with 12 V DC input
  • 1 A total current keeps phones and tablets charged
  • 22 in cord reaches rear-seat cup holder
  • Three 12 V auxiliary ports for simultaneous use
  • Compact black splitter fits standard vehicle power outlets

RoadPro RP492 12V Power Adapter

The RoadPro RP492 is a 12V power adapter that converts a single auxiliary port into three connections. It includes a cup holder outlet with a 22 in DC cord and delivers up to 2.1 A for compatible 12V devices.

Drivers who need multiple 12V ports

This adapter suits drivers who want to run several 12V accessories from one socket. It is not for buyers who need USB charging ports, higher amperage output, or a longer cable than the 22 in cord supplied.

2.1 A current rating

The 2.1 A current rating is the single specification that decides whether this adapter can power your equipment. Check each device's draw before connecting multiple items to avoid overloading the circuit.

How it compares

Measured against everything we stock in Car Audio Accessories & Wiring, at today’s prices. Recalculated every night.

Price $10.99
Cheaper than about 90% of the 2,768 comparable items (median $21.99).

Specifications

Product
Brand nameROADPRO 12 V

Questions about this item

Does the RP492 need a 12 V DC socket already in the vehicle to operate?

Yes, it plugs into an existing 12 V DC auxiliary port and draws power from the vehicle electrical system.

Can I still use the original 12 V outlet while the RP492 is connected?

The adapter provides three additional connections so the original outlet remains free for another 12 V device.

How do I confirm the RP492 is delivering power after I plug it in?

Connect a 12 V device — if it powers on, the adapter is supplying up to 2.1 A through its 22 in cord.

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