A:AnswerProbably, although I don’t like leaving things plugged in when I am not using them…it shouldn’t be drawing power if nothing is connected to it.
A:AnswerHello LOU,
This charger is compatible with phone with type c ports. You may check your flip phone's features or specs if it has a type c port.
Chelsea
Insignia Support
http://www.insigniaproducts.com/
A:AnswerHi Sheila,
Yes, it will work because car chargers are one of the best chargers for the iPhone 6 and iPhone 7. If you have any questions or concerns, please use the link below to reach us and also you can contact this phone number 877-467-4289 for further assistance.
Insignia Products
Nikki
https://insigniaproducts.com