Product specifications:

12V5C battery core 2000mAh one electricity one charge (Mutian Blue)

12V5C battery core 4000mAh one electricity one charge (Mutian Blue)

21V5C battery core 2000mAh one electricity one charge (Mutian Blue)

21V5C battery core 2000mAh two electricity one charge (Mutian Blue)

24V5C battery core 4000mAh one electricity one charge (Mutian Blue)

24V5C battery core 4000mAh two electricity one charge (Mutian Blue)

21v bare metal + Roller (Mutian Blue)

21v bare metal without battery (Mutian Blue)

12V bare metal without battery (Mutian Blue)

42V5C battery core 8000mAh one electricity one charge (Mutian Blue)

42V5C battery core 8000mAh two electricity one charge (Mutian Blue)

Mower roller