Bought one for my wife earlier this year. She would not be without it.
If you contact Hardy Huber who runs the company in Germany and tell him that you are disabled he will email you a VAT exemption form to reduce the price by 20%.
Whilst the Li-ion battery is expensive in my view it is worth it as it only weighs about 2 kilos and lasts for absolutely ages.
My 11 year old grandson recently fractured his ankle and asked to borrow it when the family went on a shopping trip to Meadowhall - he liked it so much she had a job to get it back from him!
I paid 1800 euros, less the VAT so it looks as though the price has gone up a lot.
Mike