If the recommended USB AC adaptor which has the ability to output in 3.0 A is used, charging will complete in about 5
hours and the CHARGE indicator will turn off.
Hint
The speaker that is in use can be charged if it is connected to an AC outlet via the supplied AC adaptor or a USB AC adaptor
(commercially available). In this case, it may take longer to charge the built-in battery compared to when the speaker is turned off
depending on the conditions of use. Therefore, it is recommended to turn off the speaker when charging.
Note
When you use the speaker at a loud volume, the built-in battery may run low even if the speaker is connected to an AC outlet. If
you want to use the speaker while charging, lower the volume of the speaker. Otherwise, turn off the speaker and charge the
built-in battery sufficiently.
When you use the speaker at a loud volume for a long time, the built-in battery may run low even if the speaker is connected to
an AC outlet. As a result, sound becomes low. This is not a malfunction. Turn off the speaker and charge the built-in battery
sufficiently.
The maximum power output will be lower when the built-in battery is running low.
In an extremely cold or hot environment, charging stops for safety. If charging takes a long time, it also makes charging of the
speaker stop. To resolve these issues, disconnect the supplied AC adaptor or a USB AC adaptor (commercially available), and
then connect it again within an operating temperature between 5 °C and 35 °C (41 °F and 95 °F).
Do not charge in places where water may splash on the speaker.
Even if you do not intend to use the speaker for a long time, charge the built-in battery sufficiently once every 6 months to
maintain its performance.
Related Topic
Turning the power on
Notes on charging
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