LF series connector adopts the crown spring structure inside, the current transmission is more stable and efficient, and the seismic performance is good in the process of insertion and removal; And the implementation of the vehicle gauge level 23 test standards, through the high temperature temperature rise, current circulation, alternating humidity and heat, high temperature aging, temperature impact and other test projects, to verify the temperature rise <30℃, long service life of the product, high safety, for Covos rental commercial cleaning robots, but also reduce the cost of follow-up maintenance.