3
4. Operation
4.1 Charging the Power Pack
Warning –Battery
•Donot charge the power pack using your PC or the notebook. The charging currents can
damage the USB port of the PC/notebook.
•Only use suitable charging devices or USB connections for charging.
•Asarule, do not charge devices or USB connections that aredefective and do not try to repair
them yourself.
•Donot overcharge the product or allow the battery to completely discharge.
•Avoid storing, charging or using the device in extreme temperatures and extremely low
atmospheric pressure(for example, at high altitudes).
•When stored over along period of time, batteries should be charged regularly (at least every
three months).
•Begin charging the power pack by connecting the included USB-C to USB-C cable to the power
pack’sUSB-C (IN 5V/3A; 9V/2A)port and to asuitable USB-C charger.Alternatively,the power
pack can also be charged via the Micro-USB port. Forthis purpose, connect aMicro-USB cable to
the Micro-USB input (IN 5V/3A; 9V/2A)onthe power pack and to asuitable USB charger.Please
refer to the operating instructions for the USB charger used.
•Charging begins and ends automatically.
•Charge the Power Pack fully beforeusing it for the rst time.
Note –Capacity
•The capacity is always shown when the Power Pack is charging.
•Each status LED corresponds to 25% of the capacity.When an LED is permanently illuminated,
this indicates that this capacity level has already been reached. The Power Pack is charged to at
least 75% if three LEDs areilluminated, and the fourth is ashing.
•Ifall four status LEDs light up, the full capacity is available.
•Press the button of the Power Pack to switch it on and to check its current capacity.
•Toswitch the power pack off,press the button twice until the status LEDs go out.
4.2 Charging terminal devices
Warning –Connecting terminal devices
•Beforeconnecting aterminal device, check whether the power output of the charger can supply
sucient power for the device.
•Ensurethat the total power consumption of the connected terminal device does not exceed
3000 mA.
•Please refer to the instructions in the operating manual of your terminal device.
•Itisessential that you observe these specications and the safety instructions regarding the
power supply of your devices.
•The power pack must not be charged and discharged at the same time!
•Please do not use the USB and USB-C outputs simultaneously for charging, as this reduces the
charging current considerably.Asaresult, the charging time is greatly increased and the power
pack may be overloaded.