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To turn off the PB300 Li-Ion and the connected devices, press the On/Off switch on the front again (switch
light goes out).
PB300 Li-Ion:
Display 100 % - Batteries are fully charged
Display <=10 % - Batteries are fully discharged
The PB300 Li-Ion does not always have to be charged to 100 %. The charge can be interrupted at
any time. Booster charges are possible.
Please note that when the remaining capacity of the PB300 Li-Ion reaches 12 %, a signal tone
sounds. After that you have time to recharge the PB300 Li-Ion. This signal can be acknowledged
by pressing any key on the battery controller.
When the remaining capacity reaches about 10 %, all consumers are automatically shut down.
This results in the danger of system crashes for unsuitable PCs (such as PCs without a backup
battery).