New e-reader

My trusted H2O has bricked after 6 years good use. I already miss it.

So I need a new e-reader like the Kobo aura H2O (first generation).
The dimensions from the H2O (6,8 inch screen) are perfect. If possible I prefer a similar size, or bigger.
The format I use is mostly epub. The e-reader has to be compatible wit calibre (to side-load books), online public library and if possible with kobo plus.

E-ink is a requirement (bad eyesight) and a long battery life (I want to take it with me on bike holidays without having to recharge it) If possible an integrated dictionary.

I like to read with one hand.

Any recommendations are welcome.