At the beginning let us talk about water. Water consists of molecules. There are two buckets, one of them is on the level 0 meters and one is on the level 1 meter. I fill the high-level-bucket with water and connect the two buckets with a small pipe. It takes 10 sec and all the water is in the low-level-bucket. How I have to relate the molecules properties to this process?
This molecules consists particles and feel the gravitational force and are able to fall down. The filled high-level-bucket could be a source of kinetic energy. It is a source in the case, I place a second bucket below the first and connect them with a pipe. Is the molecule the same, after falling down? Does it consists particles? Yes, it is and only the potential energy, which was given to them during the load into the high-level-bucket was converted to kinetic energy during the fall through the tube. So what is the difference to a electric current?
Instead of the high difference below the earth in a electric circuit one has to collect electrons in a source. This can happens by chemical reactions (battery, accumulator) or with an electric generator. One property of the electrons is to have a permanent electric field. The electric generator nor a battery do change this property. This devices only potential sources (the high-level-bucket). To release the energy, contained in the collected electrons one need the low-level-bucket and a pipe. The low-level-bucket is called a sink and this sink naturally is available because the sum of the electric charges from electrons and protons is a constant number. Every time, one fill a source with electrons, one make a sink too.
Now connect your source with the sink by a wire and the electrons will flow. This happens not due to a gravitational force of course but due to the repealing electrostatic forces in the source (to much electrons) and attracting forces from the sink (to much protons). The electric field of each electron stays unchanged.
Coming back to the buckets, when you take a very thin tube, you will see that the time for filling the low-level-bucket will be proportional langer as the cross-section of the tube will be smaller. Your water molecules are flowing slower (but their intrinsic properties are unchanged). You have losses in the tube due to friction and other phenomenons. The same for our electric circuit.
A thin wire will be heated up by the flowing electrons, you get heat instead of something else you wanted to do with the electric potential difference. Putting three bulbs in line you decrease the amount of electrons flowing in the wire, the bulbs convert less energy per time unit into heat and the source longer works until it exhausts. Short the source with the sink with a thick wire you let the electrons in a bigger amount and the source exhausts fast. Anyway, the intrinsic property of the electrons - their electric field - stays the same.
It is not easy to answer a question that has wrong presumptions or formulations like "loss of energy of charge". To answer your question I have to re-formulate your question but I think it is up to analyse it and to comment it by yourself.