Abstract: An outdoor box is designed for keeping at least one battery pack that supplies an electrically driven garden, forestry, construction and/or ground working apparatus with electrical driving power. The outdoor box is configured to receive at least one charger for supplying the battery pack with electrical charging power. The outdoor box has an electrical line for transmission of electrical power to the charger. The outdoor box has an exchange fan for exchange of outside air outside the outdoor box and inside air inside the outdoor box in contact with the battery pack and/or the charger. The outdoor box has a recirculation fan, different from the exchange fan, for recirculating, inside the outdoor box, the inside air, and/or the outdoor box has a further exchange fan for exchange of the outside air and the inside air. The one exchange fan is designed for being supplied with electrical power at least for the most part by an energy source.