The chucks that work with this hammer drill are of the keyless kind. You don't need to bother with a cord, since it runs on a rechargeable battery.
From Amazon
Makita HP488DAEX1 18V G-Series Combi Drill Complete with 2 x 2.0 Ah Batteries, Charger and 74 Piece Bit Set Supplied in a Carry Case, White, Grey
Wickes
Makita HP488DAEX1 18V G-Series Combi Drill 2 x 2.0Ah & 74 Piece Accessory Kit