I have been using a folding e-bike for about 18 months but now want to add a non-folding bike to my collection - and one that has more power (for hills) and more Ah, for distance. However, I want the option of changeability between my current bike and the one I will buy - which means I am looking to buy a bike that can use a frog battery, as this is what my folding bike uses. Thanks to help and guidance elsewhere on the forums, I know that a more powerful frog battery has implications for my existing bike - but I can deal with that. So.....just wondering if anyone can recommend a non-folding bike that costs less than £800 and which uses a frog type battery?