If there are more charging stations with credit card acceptance (especially at tourist villages and other common area, malls, outlets), it would be better.
The best rental car company in De Omval, Amsterdam is SIXT with an average rating of 9.8/10 from our users.
The length of time you can book a rental for is subject to the inventory of the supplier. When renting a vehicle from De Omval it should be possible to rent a car for a whole month if needed.