Your needs might be met with a new battery, a new Prius, or real car.
Well check the voltage while car engine is off (12v) and check it when engine running (13-15v) you can take it to any auto store they check it for free and charge the battery too
Maybe
You might need a new battery for it, before you buy a new battery maysure you check the alternator
Yes
Thanks! Your answer is awaiting moderation.