[MikeB1972]

Originally Posted by Yolina

I could always extend the battery life of my PW by taping a rectangular battery pack to the back of the device, I have a 5000mAh one that's less than 1cm thick, should do the trick nicely and bonus, it gives a wedge too and will improve weight distribution for easier holding

Edit: sorted

Amazon outfoxed by kids that grew up with Blue Peter, although you should have used double-sided stickytape there