529 60 68-01 - LI-ION batteryReplaced by 580 68 33-01, 589 58 52-01Kit updated from March 2020 to replace the old batteries. When purchasing and replacing the battery, you will also need to replace the new updated battery holder and cable.FitsAutomower 320 2013-2016Automower 330X 2013-2016 (2x)Automower 420 2016 ->Automower 520 2018 ->