A:
I don't know if it's *exactly* the same size, but feels like everything is in the right spot...
No batteries. No Wires, no caps-lock light either! But it has only died on me once, after working in a very dimly lit room for hours, and I was able to resuscitate by pointing my iPhone flashlight at its solar panels for less than a minute! I use it all day too, and most of the night (but usually with the big room light on!)