If you pallet it up and send it that way, usually around £100>£150 but then add about £30>£50 for a pallet. A cardboard topped pallet would be ok just make sure the bot is strapped or screwed down the wooden base. Most company's won't ship batteries, some that do require additional insurance. Quotes may be cheaper if you can fit it onto a 1/2 or 1/4 pallet rather than a full one.