This 10.8V 1.5 Ah Lithium Ion battery from De Walt is compatible with all De Walt 10.8V XR power tools, so it is very versatile. Providing optimum power & boasting an impressive extended running time, this 1.5 Ah battery suffers no memory effects & virtually no discharging when not in use, so it is always ready to provide you with the power you need, when you need it.