Here are some popular charging cards known for their good coverage and reasonable rates:

1. NewMotion: NewMotion is one of the largest charging card providers in Europe. They have a wide network of charging points and offer several pricing plans, including subscriptions with fixed rates per charging session or per kilowatt-hour (kWh). NewMotion charging cards are accepted at many public charging points throughout Europe.
   
   

2. Plugsurfing: Plugsurfing is another well-known charging card provider with a large network of charging points in Europe. They offer a charging card that gives you access to different charging networks and provides competitive rates. With the Plugsurfing charging card, you can easily charge and pay at various charging points.
   
   

3. ChargePoint: ChargePoint is a global charging network with charging points in Europe, North America, and other parts of the world. They offer a charging card that gives you access to their own charging points and those of their partners. Rates vary depending on the specific charging point, but ChargePoint generally maintains reasonable rates.

It is important to note that the availability, rates, and coverage of charging cards can vary depending on your location. It may be helpful to consult the websites and apps of these charging card providers, and possibly review ratings and experiences from other users, to find the best and most cost-effective charging card for your specific needs.