The battery indicator lamp does not light while charging.
- The battery may already be fully charged.
- Use the USB cable included with this unit, and connect it correctly.
- Charge this unit in an ambient temperature within the limit for charging (0 °C to 30 °C (32 °F - 86 °F)).
For optimum performance of the rechargeable lithium-ion battery, it is recommended to charge between 10 °C to 30 °C (50 °F - 86 °F).
- Use an AC adaptor that has been confirmed to work with this unit.
- When the battery is completely discharged, recharging starts immediately; however, it may take a while until the battery indicator lamp lights.