This rotary hammer uses chucks of the SDS type. The rotary hammer runs on a rechargeable battery, so it's cordless.
From Tooled Up
DeWalt DCH334 54v XR Cordless Brushless FLEXVOLT SDS Hammer Drill 2 x 9ah Li-ion Charger Case
ITS
Dewalt DCH334X2 54V XR FLEXVOLT Brushless SDS+ Hammer Drill, Quick Release SDS+ Chuck, Quick Release 13mm Chuck, 2x 9.0Ah XR FLEXVOLT Batteries, Charger & Case
Travis Perkins
DeWalt 54V Xr Flexvolt Brushless SDS+ Hammer Drill with 2 x 9AH Batteries DCH334X2-GB