Li-Ion Battery 80 V 4000 mAh for Stiga 80 V Lawnmower/Greenworks 80 V Electric Tools (Lawnmower, Hedge Trimmer, Chainsaw) - Replaces G80B4 : Amazon.de: Garden
CS 4000mAh Battery For SBT 5080 Greenworks Pro 80V GCS80420 GBL80320 GLM801600 - AliExpress
vhbw Battery compatible with Stiga Combi 43 AE, Combi 43 S AE, Combi 48 AE, Combi 50 S AE, Multiclip 47 S AE: Amazon.de: DIY & Tools