It really depends on your specific circumstances. If you have a charging station at home, it’s usually much more efficient to charge at home. For example, if you’re going to be away for awhile and don’t want to risk running out of power while you are away, or if you’re traveling and want to make sure you have enough juice for the trip, then it is better to charge at home rather than on the road.
However, if you’re only going to be gone for a short amount of time and don’t need those extra hours of charge time, then maybe it makes sense to charge somewhere else. It all comes down to what works best for your specific situation