Product Specifications:

8L Top Model (two electricity and one charge) works for 8 hours, two poles and four nozzles

8L high-end models (one charge and one charge) work 4 hours, one stroke and three strokes

12L Top Model (two electricity and one charge) works for 8 hours, two poles and four nozzles

12L high supply (a charge) work 4 hours a pole three

12L bare metal, no battery, no charger, no accessories

16L Top Edition (Two Electricity and One Charge) Works for 8 Hours, Two Rods and Four Nozzles

16L High Edition (One Electricity and One Charge) Works 4 Hours, One Pole and Three Passes

16L bare metal, no battery, no charger, no accessories

20L Top Model (two electricity and one charge) works for 8 hours, two poles and four nozzles

20L high allocation (one charge and one charge) 4 hours, one stroke and three strokes

20L bare metal, no battery, no charger, no accessories

8L bare metal, no battery, no charger, no accessories

12V6AH battery pack with pull rod