Silvercrest SQWP8000 1A1 Operation And Safety Notes page 10

RISK OF PROPERTY DAMAGE
Do not attach a metal object to the Qi charging surface.
Do not charge when the Qi charging surface is covered with
a towel, layer of dust, etc.
Do not allow the Qi charging surface to get wet from water,
beverages, etc.
Do not use the Qi charging surface if it is malfunctioning.
Immediately switch the product off and remove the charging
cable from the product if you smell burning or see smoke.
Have the product examined by a qualified technician before
using it again.
Do not subject the Qi charging surface with a strong forces
or impact. Failure to do so may result in damage, injury
and/or malfunction.
Do not place magnetic recording media inside the charging
area during charging. The magnetism generated may erase
the data on credit cards. It may also cause wristwatches and
other precision instruments to malfunction.
During charging and immediately after charging, the Qi
charging surface and mobile device will be warm. This is
normal and not a malfunction. If there is an unusual heating,
check the Qi charging surface and mobile device.
Always place only one mobile device to charge on the Qi
charging surface. Only one device can be charged at a
time.
Compatibility with all Qi devices cannot be guaranteed.
Do not attach an anti-slip mat or stickers to the Qi charging
surface. The presence of an anti-slip mat or stickers between
the mobile device to be charged and the Qi charging
surface that may prevent charging start.
US-EN 10