is a specific 18V 1500mAh NiCd (Nickel-Cadmium) rechargeable battery model that was primarily associated with the range of power tools. Product Overview: B&Q PRO 18V Battery (CLM18VRB)

: Ni-Cd batteries contain cadmium, a toxic heavy metal, leading to stricter recycling requirements compared to modern alternatives.

A huge debate in the tool world is vs. Generic/Third-party batteries.

If you are buying a new tool kit, avoid the "bare tool" purchase. Look for the kit that includes two CLM18VRB batteries and a rapid charger. Having two batteries allows for "continuous run" operation—one in the tool, one on the charger.

The Pro 18V ecosystem is generally backward and forward compatible, but always check your tool's manual.