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How to fully recharge the PowerPack 20000?
Q: It's taking a long time to recharge the PowerPack. Is it okay to use the iPhone power adapter to recharge it? A: The iPhone power adapter will slowly recharge the high-capacity PowerPack 20000 a...
What is the warranty on the PowerPack 10000?
Q: What is the warranty on this product? How can I can get a refund/replacement? A: Within the first 30 days of purchase, you can request a return/refund through your Amazon account. Beyond the fir...
Do you sell wireless chargers? How to decide which wireless charger to buy?
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?
Q: I have the zmi 10000 mAh power bank. I was wondering how to turn off the charger. A: If you unplug all cables attached to the battery pack, it will turn OFF on its own in 30 seconds. You can tel...
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