At maximum speed, I wanted more working time. There is no way to immediately charge an additional battery on the base. Although there is a place and exits on top of the base, you can’t just put the battery.
iRobot Roomba 692: Smart Robot Vacuum with Wi-Fi, 🤖 Alexa Compatibility, and Pet-Friendly Features for Effortless Cleaning on Any Surface
138 Review
Vacuum cleaner Deerma DX118C RU, white/grey
144 Review
Xiaomi Mi Robot Vacuum-Mop 2 Lite RU robot vacuum cleaner, white
198 Review
Xiaomi Mi Robot Vacuum-Mop Essential Robot Vacuum Cleaner, white
284 Review