Thulos TH-VC1007 Manual De Instrucciones página 18

To remove the hand-held vacuum cleaner when used alone, first hold down
the hand-held release button, and then remove tube as shown in the figure.
USAGE
CHARGING THE VACUUM CLEANER
When the power of the vacuum cleaner is low, please charge it timely; when
the voltage is too low, in order to protect the battery, the vacuum cleaner
will appear automatically power-off protection phenomenon, at this time
the vacuum cleaner must be charged. Before charging, please ensure that
the hand-held vacuum cleaner and cradle assembly is installed reliably. Plug
the plug of the charging power cord into the socket of AC power. At this time,
the charging indicator is "circular flashing", indicating that the vacuum
cleaner is charging.
After charging around 4 hours, when all the three charging indicator lights
are on, it proves that the vacuum cleaner battery is fully charged; the
indicator lights will automatically turn off three minutes after fully charged,
please pull out of the plug in time from the AC outlet.