By A Mystery Man Writer
The Roll Up 28 WireFree offers an improved motor design and optional lithium-ion external battery power.
SOMFY RTS Motors, Sensors and Controllers
Roll Up 28 WireFree™ RTS V2 (External Battery)
sOmfy 9021217 External Li Ion Rechargeable Battery Pack User Guide
Somfy Wirefree Li-ion Solar Panel Kit - Solar Panel
Somfy Components ElectricBlindCompany
SOMFY ROLL UP 28 WIREFREE™ RTS (x10) Instructions
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Somfy Roll Up 28 Wirtefree RTS Li-ion Motor
SOMFY Motor Roll Up 28 WireFree RTS (MPN #1240292)
Blind Solutions