* cleanup timer handle when device is removed
* separate unavailable times for mains vs battery
* better name
* remove light refresh handle when removing light
* remove unused parallel updates
* don't steal HA const for different purpose
* don't flood network every hour for lights
* update test to test both intervals
* add test for light refresh interval
* fix tests
* update test
* put parallel updates back for now...
* fix async_schedule_update_ha_state usage
* review comment
* review comment
* update test - review conversation
* review comments
* await count not call count
* flip some state
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