“Smooth, quiet, and reliable. Our customers love the upgrade.”
Eastern Shades Dallas TX
Ships in 1-2 business days. US shipping $15 flat.
Returns: 30 days from delivery, unused and in original packaging, with an RMA. A 35% restocking fee applies and the customer pays return shipping, unless the item is defective or we made an error. Custom and engraved items can be returned only if defective. Full return policy
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“Smooth, quiet, and reliable. Our customers love the upgrade.”
Eastern Shades Dallas TX
“The perfect motorized system for our drapery installs.”
TheBlindGuy Raleigh NC
Replacement 25.9V Rechargeable Li-ion Battery for Irismo 45 WireFree RTS -- restore full runtime
This genuine Somfy replacement lithium-ion battery restores factory runtime to the Irismo 45 WireFree RTS drapery motor (1002353). Swap it in when the original pack no longer holds a full charge and get back to months of operation per charge.
| Battery type | Rechargeable lithium-ion |
| Voltage | 25.9V |
| For motor | Irismo 45 WireFree RTS (1002353) |
Compatible with: Somfy Irismo 45 WireFree RTS drapery motor 1002353; charger 1003080
Sold by ShadeMotorsDirect -- an authorized source for genuine Somfy motorized window shade, blind, and drapery parts.
This 25.9V rechargeable Li-ion battery, part 9026476, is the replacement pack for the Somfy Irismo 45 WireFree RTS drapery motor (1002353). It restores cordless power to that motor when the original pack needs replacing.
Somfy lists it as a standard 25.9V rechargeable lithium-ion battery for interior window coverings and draperies. It is built for the Irismo 45 WireFree RTS system and carries Somfy's 5-year warranty.
Use the Somfy Irismo 45 RTS Motor Battery Charger (1003080). Somfy makes that charger for the Irismo 45 WireFree RTS motor, and it pairs with this replacement battery.
Somfy lists one compatible motor for this pack: the Irismo 45 WireFree RTS (1002353). For any other drapery motor, check that motor's own power requirements before you order a battery or power supply.
The motor uses Somfy RTS radio, so it runs with RTS transmitters such as the Situo 5 Channel RTS Pure Remote (1870575), the Telis 16 Channel RTS Pure Hand Held Remote (1811081) and the DecoFlex 5 Channel RTS WireFree Wall Switch (1810813).
Yes, through a Somfy TaHoma hub such as the TaHoma Switch RTS and Zigbee Smart Hub (1871037). RTS is one-way radio, so the app sends commands but cannot report the drapery's position.
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12Unplug the worn battery or charger.
Plug the Replacement 25.9V Rechargeable Li-ion Battery for Irismo 45 WireFree RTS into the motor's charging port or battery lead.
Charge fully, then test the shade.
Not sure it fits? Send us a photo of the label on your old part or motor. We'll confirm before you order. Ask us
Check your motor is on the list below.
Plug it into the motor's charging port or battery lead.
Charge fully before first use.
Planning a new install? Send us the window size and a photo. We'll build the parts list with you. Ask us
Somfy lists these motors as compatible with part 9026476.
Somfy warranty on the Replacement 25.9V Rechargeable Li-ion Battery for Irismo 45 WireFree RTS, part 9026476.