Makita 193736-9 BH2420 24 volt (2.0Ah / 1.8Ah) battery

Makita BH2420 battery typically for all Makita 24 volt machines. May be labelled 1.8Ah due to EU/IEC regulation change for Ni-MH battery capacity labelling, more information available here - https://www.makitauk.com/capacity-labelling