Güde GPP 7,2V Li-Ion Mode D'emploi D'origine page 15

Maintenance and cleaning
Fit the blade cover before any work on the electric tools
(e.g. servicing, tool change, etc.) and during the appliance
transport and storage!
Risk of injury after accidental switching the On/Off button.
Keep the electric tools and any ventilation slots clean
so that they could work properly and safely.
If the battery does not work any longer, please contact our
customer service centre.