And it works this simply:

*¹ Offer only valid at participating retailers: customers purchasing an Optimus device and at the same time a CORE battery or a kit (Optimus device incl. battery and charger), with the exception of 82V Series (e.g. 82V360, or others, red housing) or permanently built in battery Mowers (e.g. ZTC152 Zero Turn) and devices from other product series (e.g. 82V, 48V, robotic lawnmower), will receive a second CORE battery of the same design 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 United Kingdom within the campaign period 01/03 – 30/06/2025. Further information can be found in our campaign conditions at warranty terms.

*² Extension of the general manufacturer‘s warranty from 3 years to 5 years for consumers and from 2 years to 5 years for commercials who purchase a CORE battery and register online at cramertools-service within 2 months of the date of purchase. 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) and all batteries permanently installed in a device (e.g. ZTC152 Zero Turn). The warranty applies in addition to statutory warranty rights for a purchase in United Kingdom. Further information, particularly regarding restrictive shipping provisions for batteries, can be found in our warranty terms.