We have a 5.5 room flat, it goes to recharge itself after about 1.5 hours and continues where it left off. If you vacuum and pick up, it will have to recharge in between. If you're not at home while it's cleaning, you'll hardly notice it.

Good day
Of course, it always depends on which mode it is running in and whether it only vacuums or also mops and whether this happens simultaneously or one after the other. The maximum running time is 260 minutes.

For vacuuming and mopping 48m2 it has 53min and then still 83% battery.
For this area, it goes to fetch new water three times, but does not take a break to charge the battery.

For all rooms of the 3.5 room flat with cleaning of 59m2:
- 75min for mopping and vacuuming
- 60min for vacuuming only

4.5 Zi Whng 85qm - after vacuuming/mopping approx. 40% battery remains - no recharging during cleaning

We have a surface area of 60 m2 and no battery problems (vacuuming and mopping). Bought after having several iRobot models, it really is better.