Notes On Charging - Sony SRS-XV900 Help Manual

Help Guide
Wireless Speaker
SRS-XV900

Notes on charging

Life span of the built-in lithium ion battery
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.
If the speaker is not used for a long time, it may take longer to charge the built-in battery.
The rechargeable built-in battery has a life span. As time passes and the number of times that the built-in battery is
used increases, the capacity of the rechargeable built-in battery slowly decreases. When the amount of time that the
built-in battery can be used seems significantly shorter, despite having been fully charged, contact your nearest Sony
dealer.
When the amount of time that the built-in battery can be used seems significantly shorter, it could mean that the
rechargeable built-in battery has expired.
The life span of the rechargeable built-in battery differs depending on the usage, environment, and storage method.
Caution
When the speaker detects an abnormality such as the following while charging the built-in battery, the
indicator starts double flashing in orange.
Ambient temperature exceeds the range of 5 °C – 35 °C (41 °F – 95 °F).
When charging to the built-in battery continues for a long time.
When an abnormality of the built-in battery has been detected, stop charging immediately, wait for a while, and then
charge the built-in battery again. If the problem persists, contact your nearest Sony dealer.
Note
Charging time varies depending on built-in battery usage conditions.
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