Somfy
Sonesse 30 WireFree RTS (Li-ion)
The Sonesse 30 WireFree RTS is Somfy's battery interior shade motor: a 12 V lithium-ion pack inside the tube, about one recharge a year, and no cable to pull. It is the answer for a retrofit where running power to a window is not an option, at the cost of RTS being one-way.
2 Nm at 10 to 28 rpm with 20 rpm as the default, 42 dBA, a 2600 mAh 12 V pack that charges in under four and a half hours, and three programmable stops: open, closed, and one intermediate. Fits tubes from 1.135 in insertion diameter, interior only at IP20, which rules out sunrooms that get wet and unconditioned porches. The battery is the design constraint an automation has to respect: a shade that tracks the sun in ten steps through the afternoon will not see a year between charges, so schedule a handful of moves a day rather than continuous tracking, and put the low-battery LED on a maintenance list because Home Assistant gets no battery level from an RTS motor. Everything here is assumed state, as with any RTS product; where a battery shade also needs real position, the equivalent io motors report it.
Hardware availability
TaHoma switch is the current hub in both Europe and North America, in two regional variants: the European unit adds io-homecontrol to RTS and Zigbee, the North American unit is RTS and Zigbee only because io-homecontrol is not sold there. TaHoma v2 and the Connexoon boxes are no longer marketed, and Somfy’s own product page labels the Connexoon box discontinued, but both stay supported by Home Assistant and both still answer the local API. Somfy myLink is listed obsolete on the Somfy store. Motors are ordered through Somfy dealers and shade fabricators rather than retail, so several of the links below are manufacturer product pages rather than storefronts.
Where to buy
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