Portable power banks for your events
The service that elevates your attendees' experience.




57% of attendees worry about their phone dying during a concert.




























An engaged audience
See the results our partners have achieved with OneFlash

Data recorded on 29/01/2025


Data recorded on 20/03/2025


Data recorded on 08/05/2025


make your event a success
An additional revenue stream
Share your programme and services
Showcase your sponsors


Votre simulation
Estimez le CA généré supplémentaire en 20 secondes


Discover our solutions
The power bank in the right place at the right time






What our partners say
Hear what our current partners have to say
Integrating OneFlash into our venues has transformed the customer experience. Within a month, recommendations rose by 30% and customers are more likely to share their experiences.
For our customers, it is an effective, reliable and highly intuitive solution. The impact was very tangible across several key indicators. By offering a solution to a universal problem, we improved customer satisfaction: +17% identification rate, +31% app users, +7% active customer base.
It is a service that solves a current problem simply and elegantly. It is a minimal investment for a very tangible return in customer service and brand image.
Since integrating OneFlash into our stores, we have seen a noticeable transformation in the customer experience. Within a month, cross-sales rose by 22% and customers are more open to product suggestions.

For our customers, it is an effective, reliable and highly intuitive solution. The impact was very tangible across several key indicators. By offering a solution to a universal problem, we improved customer satisfaction: +17% identification rate, +31% app users, +7% active customer base.
It is a service that solves a current problem simply and elegantly. It is a minimal investment for a very tangible return in customer service and brand image.
Integrating OneFlash into our venues has transformed the customer experience. Within a month, recommendations rose by 30% and customers are more likely to share their experiences.
It is a service that solves a current problem simply and elegantly. It is a minimal investment for a very tangible return in customer service and brand image.
For our customers, it is an effective, reliable and highly intuitive solution. The impact was very tangible across several key indicators. By offering a solution to a universal problem, we improved customer satisfaction: +17% identification rate, +31% app users, +7% active customer base.
It is a service that solves a current problem simply and elegantly. It is a minimal investment for a very tangible return in customer service and brand image.

Since integrating OneFlash into our stores, we have seen a noticeable transformation in customer engagement. Within a month, the interaction rate rose by 28% and customers explore our offers more.

For our customers, it is an effective, reliable and highly intuitive solution. The impact was very tangible across several key indicators. By offering a solution to a universal problem, we improved customer satisfaction: +17% identification rate, +31% app users, +7% active customer base.
It is a service that solves a current problem simply and elegantly. It is a minimal investment for a very tangible return in customer service and brand image.
Since integrating OneFlash into our stores, we have seen a noticeable transformation in the customer experience. Within a month, loyalty sign-ups rose by 35% and customers are more engaged with our brand.







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