Picture of the Amazon Echo Dot gen 3 smart speaker along with its AC wall adapter.

Echo Dot 3rd Gen Charger Specs

Here we cover the Echo Dot 3rd gen charger specs for the AC charger that comes with the speaker.   First,, the US version of this charger has non folding AC prongs.  It also has a six-foot long affixed cord. Further, it’s light weight for the 15 watt power output. It’s square yet small width and height. This 12-volt supply fits into a standard power strip or wall outlet.  But it blocks no nearby outlets, as shown next.

Picture of the Echo Dot 3rd Gen smart speaker powering up.
Amazon Echo Dot 3rd Gen smart speaker powering up, showing its AC charger plugged into a standard wall outlet.

Yet this charger quietly puts out that 15 watts of power to this latest, 3rd gen of the Echo Dot speaker.  Also, this charger offers decent voltage regulation.  This allows the little speaker to play deeper bass, crisper treble, and substantial audio volume over all.





Further, this is not a low-budget AC charger. It appears well built.  Also, it is sealed, runs with little heating even at higher volumes, and gives off little if any RFI and EMI noise. But while not built for repair, the low cost of this switching charger makes fixing it a relic endeavor.

Picture of the Amazon power supply, model # GP92NB, for the Dot 3 speaker, showing its plug and specs label side.
Amazon power supply, model # GP92NB, for the Dot 3 speaker, showing its plug and specs label side.

Echo Dot 3rd Gen Charger Specs

Echo Dot 3rd Gen charger. Model: GP92NB. LO P/N PA-1150-9ABN. Input: 110-240 volts, 50-60 Hz., 0.5 Amps Max. Output: 12 volts at 1.25 Amps. UL Listed: 9T54. CAN: ICES-3(B)/NMB-3(B) AC Adapter. Made in China(P). I.T.E. Power Supply E132068. Polarity: Positive center on the DC output “barrel” plug.

Picture of the Echo Dot 3rd Gen smart speaker AC power adapter, showing its DC output barrel connector against a ruler.
Amazon 3rd Gen Echo Dot smart speaker charger, showing its DC output barrel connector against a ruler.

Furthermore, the echo dot 3rd generation supply DC output connector, the metal barrel part, is about 10 mm long, with an outer diameter of around 4 mm.

Picture of the DC output barrel connector, top view, against a ruler.
The DC output barrel connector, top view, against a ruler.

The size of the positive lead hole at the top of the barrel plug is roughly 2 mm.  Note, that this is a bit smaller than the 21 watt and larger versions of this power supply.





Finally, the chargers for the 2nd generation Echo (21 watts) and this one (15 watts) look about the same.  But they ARE NOT interchangeable.  This is due to center conductor size difference.  Also, there’s the DC output voltage on the 21 watt version is 15 volts.  But on THIS charger, it’s 12 volts. So, even if the connectors from each supply would fit the other speaker, their voltage specs make them dangers on that other speaker.

This charger, including its cable and connector, weighs 4 ounces.

Picture of the Echo Dot 3rd Gen speaker power supply plugged into speaker back.
The Echo Dot 3rd Gen speaker with the power supply plugged into speaker back.

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References for Echo Dot 3rd Gen Charger Specs

  1. Pwr 12V Power Adapter Compatible with Echo Dot (3rd Gen ONLY!) : UL Listed Extra Long 6.5 Ft Power Supply Cord P/N GP92NB PA-1150-9ABN

Revision History

  • 2020-03-24: Added more tags.
  • 2019-03-30: First published.
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