I have 2 PW 1's and a PW 2. I haven't done any testing or measuring but battery life seems to me about the same on all of them. I use all 3 about the same amount.
I always leave the Wifi on on the one I'm currently using. I keep the light a little above the middle setting. I charge them somewhere between 70% and 80% so they always get light charges. I charge all 3 every Saturday and occasionally once during the week if I read a little more than usual.
Barry
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