About consuming more or less...
The range of operation of Hybo 39 in its basic configuration (700Ah 48V Li ion batteries, 20Kw Motelectric engine) is decided basicaly by your urgence in reaching your destination.
The consumption of energy at 5kts gives you 14h (70 miles range).
Increasing or decreasing 1 knot redudes by half or doubles the time you can enjoy sailing (7 or 28 hours) and the range is reduced by 40% or increased a 60%.
So definitely, slow sailing is a 'must have' attitude!
In a sunny midsummer day, the solar panels can produce energy to charge around half of the batteries, so by the end of the day, if you harmonize production and consumption, you can enjoy a 50% more sailing time at the chosen speed.
You have many options to increase the range of operations, from installing a generator for specific purposes to install an wind generator, install more or bigger batteries, install an extended solar roof...