If you experience problems with charging, make sure you have updated your PowerPacks to the latest version of the firmware.

For instruction of how to update the firmware, please go to the question in this FAQ or to the online user manual.

We recommend using a 2 or 3 Ampere charger for best and fastest result when charging the PowerPacks. A weaker charger like 1 Ampere or less takes does also work but will take longer time.