Operating Manual

6.9 Running on power supply

• NelumBox® is operated via the included power supply with

the respective country adapter (100 - 240 V AC).

• NelumBox® indicates the state of charge independent of its

charging level by the appearance of power plug icon in the

battery symbol.

• If NelumBox® is switched o, it is not possible to charge the

batteries. Leave NelumBox® switched on to charge the

batteries.

• If there is no charging in progress, the battery status is

displayed as a percentage.

• If NelumBox® is supplied completely without inserted

batteries and only with mains voltage, the battery indicator

on the display disappears completely. Please note that in this

condition, disconnecting the power supply will cause

NelumBox® to switch o immediately.

• For all intermediate states of battery level, the respective

battery status is shown on the display. If the charge level is

less than 10%, NelumBox® displays the following warning.

Also, the buttons start to ﬂash in yellow and Nelumbox sends

a beep every minute. Once the battery charge drops below

5%, NelumBox® starts to beep every 10 seconds and the

buttons start to ﬂash in red. All cooling functions go to passive

mode. In this case, please connect NelumBox® to mains

power immediately.