Batteries have planety of drawbacks compared to overhead wires.
Weight - Batteries way a LOT, meaning that locomotives need to be stronger, meaning they will be heavier, meaning that need stronger bridges and sturdier tracks.
Lifetime - Batteries are consumed as they are used and recharged, they are also not as easy/cheap to replace as pantographs.
Range - Batteries has limited range, normal electric trains have unlimited range.
Charge time - Batteries need charging, normal electric trains does not.
Normal electric trains are technically the ideal transportation, you have unlimited range and don't need to carry the fuel.
What are you talking about?
Batteries have planety of drawbacks compared to overhead wires.
Normal electric trains are technically the ideal transportation, you have unlimited range and don't need to carry the fuel.