I own the A1 version and was expecting improvements on the A2 version regarding standby power consumption:
if you do the following test, you'll see that the A2 or A1 consumes too much power when it's on its base.
once the battery is charged, it doesn't go into a deep standby mode. to check this, just do the following test: disconnect the 220 V power supply, and you'll see that after a day the A2 or A1 battery is completely discharged a 0 % (it's a 3 Ah battery though).
the only way to put the Dream into deep sleep mode is to switch it off manually (as you do when you want to clean it).
This is not at all practical, and the robot would have to be in deep sleep mode: it would be great if the Dream enginneer could only keep activate Bluetooth (which consumes almost nothing, even when in “advertising” mode, for those in the know);
it's enough to let the user choose a sleep mode that allows the robot to be woken up via Bluetooth, and less interestingly, via WiFi for those who want to use the Dream when they're not at home.
So I'am waiting for a new update version of the firmware of the A1/A1Pro/A2 to optimise power consumption when the robot remain on his parking station...
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