User Manual Q&AAnswer
Dec 20, 2024 - 01:59 AM
To charge the Soonfire FD39 USB Rechargeable Bike Headlight, follow these steps:
1. Connect the included USB charging cable to the charging port on the headlight.
2. Plug the other end of the USB cable into a USB power source, such as a computer, wall adapter, or power bank.
3. While charging, the indicator light on the headlight will be red.
4. Once the headlight is fully charged, the indicator light will turn blue.
5. The headlight will automatically turn off during charging.
6. To turn on the headlight, press the switch for 2 seconds to activate the low modes.
It is recommended to charge the headlight at least once every 6 months to maintain battery health. The battery level indicator on the headlight will show blue when the battery is saturated, red constant when the battery is poor, and red flashing when the battery needs charging.
For more detailed information, please refer to the "How to Charge" section in the Soonfire FD39 USB Rechargeable Bike Headlight User Manual.
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