Are you looking for a power supply with the part number ADP-330BB? Then you need to be careful, because this 330 watt power supply is available in 2 different plug variants, which cannot be distinguished at first glance and are not compatible with each other!
![[Translate to Englisch:] ADP-330BB [Translate to Englisch:] ADP-330BB](https://cms25.ipc-computer.de/fileadmin/user_upload/Landingpages/Produkt_LP/Partnummer_Gruppen/Steckerbilder/steckerbild-2.jpg)
| ADP-330BB Plug | Length (A) | Exterior Ø (B) | Inside Ø (C) |
|---|---|---|---|
| Variant 1 | 12,5mm | 4,5mm | 2,9mm |
| Variant 2 | 12,5mm | 7,4mm | 5,0mm |
Experience the perfect combination of versatility and uniqueness with our HP power supply, which is not only compatible with numerous HP devices, but also impresses with its unique and exclusive connector.
This power supply was produced for us by Delta Electronics and is equipped with the original power supply plug. The power supply unit offers the same quality and compatibility as the original at an affordable price.

There are two ways to find your power supply unit. One is via the notebook model and the other is via the dimensions of the power supply plug. We recommend using the model, as experience has shown that this is the easiest and safest way.
Using the model name or model number, you can easily search for your notebook via our search bar, where the matching power supply units for your notebook will be suggested. If you have difficulties finding the model name or model number, click here.
Simply take a caliper or ruler and measure the plug according to the following dimensions:
Plug outer diameter / Ø (B)
Plug diameter inside / Ø (C)
The plug length (A) is not always decisive!
You have concerns because the plug length is not identical? No problem! Sometimes plug lengths differ, but this is no cause for concern. The internal and external dimensions are important. The inner dimension must not differ by more than 0.01 mm.

For further support, please contact our customer service. You can reach us at any time via this contact form.
Find out more in our FAQs to get answers to your questions.