Runtime, Battery and Charging
Tineco rates the S7 PRO for up to 40 minutes of cleaning on its lithium-ion battery, and its iLoop system constantly adjusts water flow and battery power together, which Tineco says means less refilling, less emptying and less recharging. How far that goes depends on the mode. Max mode can use most of the battery in a single 40-minute session, Auto mode can leave noticeably more in reserve for the same floors, and a single charge can cover a main floor and part of a basement. Recharging on the dock takes about 4 hours, so it suits one big clean at a time rather than several back to back, and the self-cleaning cycle may need some charge left in the battery before it will run. Battery life draws mixed feedback overall.