– Single-head brush: 1 lithium battery, battery life 8-10 hours (actual average current 4-5a, full load 5a)
– Double-head brush/roller brush: 1 lithium battery, battery life 4-5 hours (actual average current 6-7a, full load 10a)
– Cleaning robot: 2 lithium batteries, battery life 6-8 hours (equipped with 1 brush head motor + 2 walking motors inside the body)