And it works this simply:

*¹ Offer only valid at participating retailers: customers purchasing 2 Optimus CORE batteries at the same time will receive a third CORE battery of the same type or a different, less expensive one of their choice, free of charge. The campaign organiser is Greenworks Tools Europe GmbH, Brunnenweg 17, 64331 Weiterstadt, Germany. Only applies to purchases made in the United Kingdom within the campaign period 01/02 – 30/09/2026. Further information can be found in our campaign conditions at warranty terms.

*² Extension of the general manufacturer‘s warranty up to 5 years for professionals who purchase an Optimus product and register online at cramertools.com within 2 months of the date of purchase. The Optimus Zero Turn model ZTCS92, ZTC122R, ZTC132R, ZTC152/R, ZTC182R applies 2+3 years or 2000 hours of professional use. Manufacturer‘s warranty given by Greenworks Tools Europe GmbH, Brunnenweg 17, 64331 Weiterstadt, Germany, for defects in materials and workmanship under normal use, excluding batteries from other product series (e.g. 82V, 48V, robotic lawnmower). The warranty applies in addition to local statutory warranty rights. Further information, particularly regarding restrictive shipping provisions for batteries, can be found in our warranty terms.