The power-saving banner ad

Agency Network: 
December 2015
Wien Energie: The power-saving banner ad
Wien Energie Digital Ad - The power-saving banner ad


Online banners don't have to suck or wreck nerves anymore. This one for Wien Energie – Austria's largest energy supplier – extends the battery life of mobile devices. With the latest HTML5 technology the banner first warns users that energy runs low and then switches into a power save mode of the website.

Digital advertisement created by Virtual Identity, Austria for Wien Energie, within the category: Industrial, Agriculture.

Advertising Agency: Virtual Identity, Vienna, Austria
Creative Directors: Christoph Hofbauer, Jakob Würzl
Account Director: Günther Schadenbauer
Designer: Roberto Krainz
Copywriters: Markus Gahleitner, Henric Wietheger
Project management: Bettina Schlesinger
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kleenex's picture

I like.

Activity Score 58777
Web Designer/Developer
MrPotatoHead's picture

Correct me if I'm wrong but this only works in Firefox right? That means that to 90% of all smartphone this banner is useless?

Activity Score 558
Art Director
chris_'s picture


The battery status API works on all HTML5 browsers except iOS. Here is an overview:
We targeted the banners on Android devices (where the standardized battery-check API is 90% supported).
For iOS devices and non-HTML5 browsers we created a fallback version without the API.
Here is a more detailed description page:

Activity Score 4
BAdsoftheworld's picture


Activity Score 3519
Pete R.'s picture

Amazing if it works.

Pete R.
Activity Score 3412
morse's picture

I'm sceptical. Anybody tested if this is legit?

Activity Score 18159
Art Director |

.. / .-.. --- ...- . / .- -.. ...- . .-. - .. ... .. -. --.

chris_'s picture


We tested a couple of weeks the HTML5 API, because we were also quite sceptical at the beginning.

Here is the testlink we created on one of the plattforms (where the banner campaign was running) – one of Austria´s largest newspapers derStandard:

We used a CSS script for switching to the energy-friendy, low brightness version.

As mentioned above we used a distinct targeting to reach only HTML5 browsers on mobile (Android) devices.
If you use right now a Laptop, make sure to use the battery without the power chord for a while so the API detects the lower battery status, otherwise the banner shows a fallback solution.
If you need more insights, feel free to post.
We are running right now the second campaign flight.

Activity Score 4
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