Notes on charging

Life span of the built-in Ni-MH battery

  • When you find the charge indicator flashing, charge the battery. By charging the battery after the indicator starts flashing, you can use the battery longer.

  • 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, refresh the battery. To refresh the battery, see The built-in battery life is short.

    If the battery life still does not improve, it could be the built-in battery has expired. Consult your nearest Sony dealer.

  • The life span of the rechargeable built-in 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 battery, the charge indicator (orange) turns off 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 battery.

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

Note

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

  • Charge the speaker in an ambient temperature 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, mist, sand, dust, or mechanical shock. Also, never leave the speaker in a car parked in the sun.

  • A speaker that is in use can be charged if it is connected to an AC outlet via a USB AC adaptor (commercially available), or connected to a booted computer. In this case, it may take longer to charge the built-in 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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