'added capabilities' is correct and can be used in written English.
You can use it to describe something which is now enhanced due to the addition of new features. For example: "The new software update adds added capabilities to the app, offering users a more engaging experience."
Apple gradually added capabilities, and the iPhone became standard issue in scores of large businesses.
Besides the added capabilities, the scheme retains fully the efficacy of established finite-volume MPDATA formulations.
I added capabilities to wrap the hole-saddle chain around the toroidal loop more than once and to scale and stretch the sculptural forms in various ways.
Wajam launched publicly last year, and has gradually added capabilities, including, most recently, several online retail sites and an iPhone component.
The new models have added capabilities for computing chores that are growing rapidly, like analyzing torrents of data from the Web and corporate databases to predict consumer behavior and business risks.
Under pressure from McCain, the Air Force added new criteria that gave some weight to the added capabilities offered by the larger A330 air frame that the team was offering.
It also added capability to access files stored on the drive from an iPad as well as the iPhone and Windows Phone-based handsets.
Microsoft has also added capability for IT pros to manage identity privileges through Azure or their Microsoft accounts.
I was really worried about that added capability.
In the new version of PROGgene, we have added capability to study prognostic implications of a gene expression ratio.
In the new version, we have also added capability where users can create survival plots for published/curated gene signatures.
