Can a faulty charger cause my Fitbit Versa 4 battery to drain instead of charge

1. Incorrect Charging: If the charger is not properly connected or is faulty, it might not charge the device correctly. This can lead to a situation where the battery appears to drain faster because it's not being replenished as expected. However, this is more about the charger failing to charge the device rather than actively draining it.

2. Dirty Contacts: Dirty charging contacts on either the charger or the watch can prevent proper charging. If the contacts are clogged with dirt or debris, the watch might not charge efficiently, leading to faster battery drain due to the device not being fully charged[3][9].

3. Electromagnetic Interference (EMF): While not directly related to the charger, being near other electronic devices can affect battery performance. However, this is more about the environment than the charger itself[1].

4. Charging Issues: Some users have reported that their Versa 4 won't charge properly, even with multiple chargers. This could be due to a hardware issue with the watch rather than the charger[9].

To address potential charging issues:

- Clean the Contacts: Use a soft cloth, rubbing alcohol, or a pencil eraser to clean the charging contacts on both the watch and the charger[3][9].
- Use the Correct Charger: Ensure you're using the official Fitbit charger or a compatible one.
- Restart Your Device: Sometimes, a simple restart can resolve software-related issues that might affect charging[8].
- Check for Updates: Keep your Fitbit software up to date, as updates often include fixes for known issues[8].

If your Fitbit Versa 4 continues to have charging issues, it may be worth contacting Fitbit support for further assistance or potential replacement.