How electric planes are changing flight

So way I see it. The concept of electric planes, is okay... But, they failed dramatically when it comes to distance. When you fuel a plane, you need 20% excess fuel for the journey, to ensure if you need to hang around, or detour, you have enough fuel to ensure you make the distance and dont damage the engines (by running dry or dirty fuel). Their concept for an electric plane is severely flawed. VTOL is great and all, but motors add weight and weight means you need more weight to power it... What would be preferable is a geared system, to switch power distribution between the rotors, so you can have 100% vertical, 50% vertical and 50% forward and 100% forward power distribution to the rotors. Preferably with panels that close over the unused rotors (vertical), to improve aerodynamics. Now that atleast sorts out their biggest shortcomings. Next up is batteries. They're using cells... Which is beyond stupid. Planes perform best with a teardrop shape, which doesnt give much room for batteries if stacked in large boxes... So you want fluid cells, or flexible cells, that you can basically stick on to it, so you can maintain the weight distribution, while increasing total capacity and internal usable volume (aka, where you go). Airplanes are in a funny category, where bigger is better. The smaller you try to make them, it becomes exponentially more difficult to power them effectively. So a 747 sized plane would be easier to convert to electric than that little Cessna equivalent. All in all, I'm shocked at just how stupid the designers were... Not 1 part of that plane was built optimized, even though as a proof of concept, that's exactly what you need to do... If you cant make it economically viable, it's a dead idea. And as it is, it's not economically viable at all.