Probably the ones on this page then;
https://www.screwfix.com/c/electrica...e=rechargeable
Strange how they don't quote the capacity in the specifications, the picture seems to imply the C & D sizes are both rated at 3000mAh. Which seems quite low to me, especially when compared with some old Ni-Cd Sanyo D cells rated at 5000mAh I have.
David