Not charge other devices (Wired): 

Try the following troubleshooting steps and see if the problem persists:

• Use another charging cable
• Try charging another device

Not charge other devices (Wireless):

Try the following troubleshooting steps and see if the problem persists:

• Make sure your phone has a wireless charging feature)
• Restart your phone
• Ensure your phone was placed centrally
• Remove the phone case if there is and try again
• Try with other devices or phones

Cannot be recharged:

Try the following troubleshooting steps and see if the problem persists:

• Try another wall charger/plug
• Try another cable/wire
• Try another wall outlet

Hot issue: 

Try the following troubleshooting steps and see if the problem persists:

• Try using another wall charger and cable to recharge itself (if it gets hot during recharging)
• Try using a different cable to charge other devices
• Try charging another device

Abnormal charging/Intermittent Charging/Dead:  

Try the following troubleshooting steps and see if the problem persists:

• Reset the power bank by plugging both ends of the cable into the input and output port of the battery at the same time for 3-5 seconds
• Recharge and discharge the battery again to see if everything works properly
• Try another device and cable

Slow charging: 

Try the following troubleshooting steps and see if the problem persists:

• Try another cable
• Try another device
• Make sure the fast charging technology of your device and the power bank is the same

Product Discharge quickly when in use: 

External batteries normally give only 60%-70% of their capacity to other devices. Approximately 30%-40% of the battery capacity is used up by the power bank itself for the circuitry to actually generate the charge to the device it's trying to charge. These efficiency problems affect all electronic devices no matter which brand you are using, and a fully recharged Anker PowerCore 5K shall generally be able to give at least 1 charge to an iPhone 12 with a 2815 mAh battery  (the usable capacity is 3000 mAh) and 10K capacity power banks can provide 2 charges to an iPhone 12 (the usable capacity is 6000 mAh) and 20K capacity power banks can charge iPhone 12 about 4 times (the usable capacity would be 12000 mAh).

Try the following troubleshooting steps and see if the problem persists:

• Try to charge your device in power-saving mode (not being used) to see whether it helps

• Try another cable
• Try with other phones/devices

Product discharge quickly when not in use:

 Try the following troubleshooting steps and see if the problem persists:

• Unplug the USB C to lightning cable if you plug one into the USB-C PD port of the PowerCore when not in use. Please note that the USB C to lightning cable includes a special chip, which this PowerCore will detect, and the PD port of the PowerCore will continue to output even though no device is connected to the lightning cable
• Please try recharging the battery to full, then unplug any kind of cable from the PowerCore for several days to see if it helps
• Please note that this power bank activates its wireless charging when not in use if you place it near any kind of metal item such as keys, other phones, etc. It's a normal phenomenon. Please plug out all the cables and try to place them somewhere far from any metal or devices such as phones, AirPods, smart watches, etc. to see if the issue persists. 

Anker Powercore III 10K indicator confusion:

The first oval-shaped indicator on the right is not a battery indicator. It indicates that the battery is ready to charge your devices wirelessly. The other 4 LEDs indicate a charge, and after recharging it fully, all 4 LEDs will turn off except the first wireless charging indicator. The oval-shaped wireless indicator will keep blinking on full charge until and unless you connect your phone to it for charging wirelessly. It is a normal phenomenon for these PowerCores.

When the powerbank is connected to the power source, it will turn off all of its 4 battery indicators after fully recharging itself. The first wireless indicator will keep blinking, which means it is ready to charge your iPhone in pass-thorough mode.

If all of the steps above cannot help you locate and resolve the problem, please contact us for further assistance. Briefly mention the steps that you’ve already tried for a faster solution.