Komodo 2D1N Liveaboard

Yes. Internet can be accessed in most places. Sometimes, there might be some technical problems. Internet in Nepal is not as fast as you are used to and at times you can just lose connection.

Yes, you can charge batteries en route. Charger should be brought. There are hot shower facilities as well. You may have to pay certain amount for both ($1-$2). Negotiate. Also, hot water facility could be free at lower elevation.

No. There are no ATMs on this trek route. You will have to draw enough cash in Pokhara or Kathmandu. There are a number of ATMs in these cities. Everything is paid in Nepali rupees. So money should be exchanged before the start of the trek.