hmmm if they are renting out the same cr!p as the ebn has near us (old under-powered 24v hub drive giants) then i'd avoid like the plague.
I got a couple last weekend to try and convince my mum and dad they should have electric bikes, and they were an absolute disaster
the saving grace was Martin from e-bikeshop who not only sorted out the hire problem, but also gave my dad a spin ona better bike so he wasn't completely anti by the time he got back.
they were ok on the flat, but useless on any of the bumps around hampshire, so wouldn't think they'd do well on proper hills ..