# 2.1mm to 2.5mm DC Barrel Plug Adapter

**Type:** Product page · **SKU:** ADA2897 · **Brand:** [Adafruit](https://core-electronics.com.au/brands/adafruit-australia)
**Page:** https://core-electronics.com.au/2-1mm-to-2-5mm-dc-barrel-plug-adapter.html ([markdown](https://core-electronics.com.au/2-1mm-to-2-5mm-dc-barrel-plug-adapter.html.md))

"Hrmph! All I have is a power supply with a 2.1mm plug and my doodly-whatsit has a 2.5mm jack. I keep trying to force the plug to fit but that 0.4mm difference just...

## Pricing

- **Price:** $2.25 (inc GST) — $2.05 AUD, exc GST
- **Quantity discounts:** 10+ $1.98 (exc GST) · 50+ $1.95 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 1 today, and up to 1 more in 8–12 days.

## Description

"Hrmph! All I have is a power supply with a 2.1mm plug and my doodly-whatsit has a 2.5mm jack. I keep trying to force the plug to fit but that 0.4mm difference just wont work....what am I going to do!?"

ENTER *The Adapter.* This 2.1mm to 2.5mm adapter is the best way to adapt a 2.1mm plug so that it will fit into a 2.5mm jack.

**Remember that this will fit into a device that normally would require a 5.5 OD / 2.5mm ID plug, and lets you use a 5.5/2.1mm plug.** Once this is in place you can just [any and all of Adafruit's DC barrel-plug wall adapters, as they all have 2.1mm plugs](https://www.adafruit.com/categories/137).

## Technical Details

- Dimensions: 41mm x 13mm / 1.6" x 0.5"
- Weight: 4.5g

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/2/8/2897-00.jpg)