I have to say I purchased a Power Trike hoping to gve myself some extra freedom & better quality of life. It is actually very good but only on the flat & the batteries don't last too long. I asked a couple of firms who buy & sell them. They both quoted me £1,700 to upgrade the motors size & ability. So I did it myself It cost me £1,000 but now I can travel 20 miles without a charge on 1 battery & it climbs hills quicker than my son does on his pushbike. Laurence