Have your battery tested an auto parts store.
If possible, fully charge the battery with a real battery charger, some parts stores will do it for you.
It may be that you have a bad battery, a bad alternator, a problem between the battery and alternator (fuse/ fusible link/ connection) preventing the 'good' alternator from charging the 'good' battery.
If you have a good charged battery and can make it to the auto parts store, they usually can test the charging system and let you know of any possible problem. Most of the time, this can be done in their parking lot without disassembling the vehicle.
This may aid you also. From "repair guides" at the top of our pages.
https://www.2carpros.com/articles
When you get there, scroll down to "electrical", several home tests are there,
Keep us posted
The Medic
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Wednesday, August 16th, 2017 AT 6:48 PM