Notes on charging

Life span of the built-in lithium ion rechargeable battery

  • Even if you do not intend to use the speaker for a long time, charge the built-in rechargeable battery to its full capacity 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 rechargeable battery.

  • The built-in rechargeable battery has a life span. As time passes and the number of times that the built-in rechargeable battery is used increases, the capacity of the built-in rechargeable battery slowly decreases. When the length of time that the built-in rechargeable battery can be used seems significantly shorter, despite having been fully charged, contact your nearest Sony dealer.

  • The life span of the built-in rechargeable battery differs depending on the usage, environment, and storage method.

Caution

When the speaker detects a problem for the following causes while charging the built-in rechargeable battery, it will stop charging even if charging is not completed.

  • Ambient temperature exceeds the range of 5 °C – 35 °C (41 °F – 95 °F).

  • There is a problem with the built-in rechargeable battery.

  • When charging to the built-in rechargeable battery continues for a long time.

Note

  • Charging time varies depending on built-in rechargeable battery usage conditions.

  • Charge the speaker in an ambient temperature of between 5 °C and 35 °C (41 °F and 95 °F).

  • The speaker becomes warm during charging. This is not a malfunction.

  • Avoid exposure to rapid temperature change, direct sunlight, moisture, sand, dust, or mechanical shock. Also, never leave the speaker in a car parked in the sun.

  • The speaker can charge, even when its power is on, if its supplied USB AC adaptor is plugged into an AC outlet.

    In this case, it may take longer to charge the built-in rechargeable battery depending on the conditions of use. Therefore, it is recommended to turn off the speaker when charging.

  • 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 micro-USB cable from the speaker and connect it again within an operating temperature between 5 °C and 35 °C (41 °F and 95 °F).

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