FAQ

What kind of battery is used in the PowerPack 10000? Lithium-ion or lithium-polymer?

Q: In the specifications it says there is a lithium-ion battery, while elsewhere ZMI's response to a question states that it is a lithium-polymer battery. Which one is it? A: It's both. This batter...

Are there any safety concerns with the lithium-ion batteries used in ZMI chargers?

Q: Have there been any safety concerns with the lithium ion battery? Have there been any incidents of unplanned explosion or combustion? A: There have not been any safety concerns or incidents (exp...

How long does it take to recharge the PowerPack 20000?

Q: How long does it take to fully charge a PowerPack 20000 power bank itself? Can you charge it with your laptop's charger? A: If your laptop's power brick supports USB Power Delivery, then you can...

Why is my PowerPack 10000 recharging slowly?

Q: I received the PowerPack 10000 from Amazon yesterday.  It has been charging from my laptop using your USB connector for 12 hours and it has only reached 3 lights on with the last light still bli...

How to Charge Your Apple Watch, Bluetooth Headphones, Fitbit, or Apple Pencil?

Charging Your iPhone With The PowerPack 10000

Can I bring a portable charger/battery pack aboard a plane?

How to make PowerPack 10000 recharge faster?

Q: It takes a while for the PowerPack 10000mAh battery pack to charge. How can I make it charge faster? A: The bottleneck of recharging is likely in the power adapter (wall charger) used. Below is ...

How to choose the charging speed of the PowerPack 10K?

Q: I read online that there are 3 ways to charge: fast, normal, and slow. How to choose which way it charges? A: By default, the battery pack will automatically detect your phone's capability for f...

How to turn off the battery pack?

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