first clean battery cables to make sure its not that and then have charging system check at any parts store or shop they can check for bad starter same time same tool and really any parts store should have one in stock and anyone with a couple tools can replace starter pretty easy you want to know how type
how to replace starter
how to replace starter video
how to replace starter name of car
you type how to replace name of part name of car and video you can find most repair info online even autozone .com can get you a how to