The present application is based on, and claims priority from JP Application Serial Number 2019-142081, filed Aug. 1, 2019, the disclosure of which is hereby incorporated by reference herein in its entirety.

BACKGROUND

1. Technical Field

The present disclosure relates to a mobile device.

2. Related Art

To date, small-sized and lightweight mobile devices that include a drive element and have portability are proposed. For example, as an example of the mobile devices, JP-A-2016-175374 discloses a portable liquid discharge apparatus mounted with a lithium ion battery having a liquid electrolyte as a battery. However, in recent years, all-solid batteries having a solid electrolyte are being developed as one of the batteries for use in such mobile devices. JP-A-2-223158 discloses an example of the all-solid batteries usable for the mobile device disclosed in JP-A-2016-175374, and the like.

The all-solid battery disclosed in JP-A-2-223158 has a solid electrolyte, and thus has a higher safety level compared with an electrolyte battery having a liquid electrolyte, such as a related-art lithium ion battery, and the like. Accordingly, the all-solid battery has a high degree of freedom in battery design and production processes. The all-solid battery having a solid electrolyte has therefore advantages in that most suitable shape and characteristics are obtained in accordance with its application for use. In contrast, an electrolyte battery having a liquid electrolyte and mounted on the mobile device disclosed in JP-A-2016-175374 is used for wide range of mobile devices, such as a smartphone, a tablet, a portable audio player, and the like in addition to the mobile printer disclosed in JP-A-2016-175374. Accordingly, an electrolyte battery having a liquid electrolyte has advantages in that it is highly versatile in terms of cost and delivery. In this manner, an all-solid battery having a solid electrolyte and an electrolyte battery having a liquid electrolyte have respective advantages that are different with each other. However, in a mobile device, such as the device disclosed in JP-A-2016-175374, it is only possible to mount either an all-solid battery or an electrolyte battery, and thus user convenience might be reduced. There is room for improvement in this respect.

SUMMARY

According to an aspect of the present disclosure, there is provided a mobile device including: a drive circuit driven based on power output from a battery; a first coupling portion configured to electrically couple a first battery being an electrolyte battery having a liquid electrolyte as the battery to the drive circuit; and a second coupling portion configured to electrically couple a second battery being an all-solid battery having a solid electrolyte as the battery to the drive circuit.

The mobile device described above may further include a first accommodation section configured to accommodate the first battery; and a second accommodation section configured to accommodate the second battery.

In the mobile device described above, when the first battery is accommodated in the first accommodation section, and the second battery is accommodated in the second accommodation section, at least one of the first battery and the second battery may not be electrically coupled to the drive circuit.

The mobile device described above may further include an information section configured to inform whether the battery electrically coupled to the drive circuit is the first battery or the second battery.

The mobile device described above may further include a control circuit configured to control driving of the drive circuit, in which when the drive circuit is driven based on power output from the first battery, the control circuit controls the drive circuit in a first drive state, and when the drive circuit is driven based on power output from the second battery, the control circuit controls the drive circuit in a second drive state different from the first drive state.

In the mobile device described above, the first coupling portion and the second coupling portion may not be electrically coupled.

The mobile device described above may further include a first detection circuit configured to detect a coupling of the first battery to the first coupling portion; a second detection circuit configured to detect a coupling of the second battery to the second coupling portion; and a selection circuit configured to select a battery to be used for driving the drive circuit based on a detection result of the first detection circuit and a detection result of the second detection circuit.

The mobile device described above may further include a third detection circuit configured to detect a coupling to an external power source, in which the selection circuit may select a battery to be used for driving the drive circuit based on the detection result of the first detection circuit, the detection result of the second detection circuit, and a detection result of the third detection circuit.

In the mobile device described above, when the first detection circuit detects a coupling of the first battery to the first coupling portion, and the second detection circuit detects a coupling of the second battery to the second coupling portion, the selection circuit may select the second battery as a battery to be used for driving the drive circuit.

