Your TV, outlets and microwave are 120Volt and are powered by shore power or your generator. Your overhead lights are 12Volt and powered by your battery or batteries, which for whatever reason is/are not being charged.
2014 Itasca Spirit 31K
2016 Mazda CX5, on an Acme tow dolly, 4 trips 5800mi
Now 2017 RWD F 150 with a drive shaft disconnect