You might not use a cement mixer often, but it's very handy to have your own once the need arises. It runs on a cord, which means you always have a steady and constant energy supply.
From ManoMano
110V 150 cement mixer - , - Belle
HSS Toolshop
Belle Minimix 150 4/3 Tip-Up Cement Mixer (110V)
Travis Perkins
Belle Cement Mixer 110V Mini 150
ITS
Belle M12B/M16B Minimix 150 Cement Mixer