<aside> 💡 Here you will find answers to the most important questions about our OneFlash batteries and their use.

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<aside> 📖 Find our detailed user guide here

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The basics

• How do I rent a OneFlash battery ?
• How do I use a OneFlash portable battery?
• How long does it take for my smartphone to be recharged?
• Which smartphones can I charge?
• How do I know if the battery is locked?

Do you need help? Do you have a problem?

• Why is the battery not charging my smartphone?
• What should I do if I want to use a OneFlash battery and the station is empty?
• What should I do if I want to return my battery and the station is full?
• I forgot to return a OneFlash battery, what happens?

Tips and tricks

• Can I charge multiple devices at the same time?
• How can I check the level of the OneFlash battery?
• What is the capacity of a OneFlash battery?
• How much does it cost to rent a OneFlash portable battery?