Long Battery Life & Self-charging:K2 robot vacuum equipped 1800 mAh lithium iron phosphate batteries make the robot vacuum cleaner a long battery life and up to 100Mins run time(Low suction running mode). The K2 robotic vacuum cleaner will go back to the charging base automatically when run out of battery or finish vacuuming.
https://www.amazon.com/OKP-K2-Robot-Vacuum-Cleaner/dp/B08P2T2NXH
