@TechGuy, I wish I could give you a definitive view of what the problem was/is and an associated solution, but the TP-Link disconnection symptoms seem to vary based on type of networking gear plus are somewhat intermittent. A few thoughts:
- With 4 HS300s (24 outlets) you are slightly over the recommended limit (20) for the number of outlets that the Sense monitor can service. That can result in dropout issues from an overworked monitor.
- @ccook caught this behavior of some Kasa plugs every 5 days. That seemed to be the cause the disconnect problem for some users.
- Right now, my Kasa plugs have been reporting reliably for a few months. Things that I have done - updated Ubiquiti AP / switch / router firmware, fixed IP address leases for Kasa devices, regular pinging of Kasa devices.