This model is a REBUILD - you must send in your used battery for us to restore
We can rebuild the Velux 833442, 49BA12BG Battery for Velux Blinds and Skylights. We use the exact same cell as the Original battery - The Panasonic HHR380A
The new battery is 4.8V/3.8AH
Please ship your used battery and a copy of your order to the following address:
BBM Battery Inc.
1015 Matheson Blvd E
Unit #7
Mississauga, ON L4W 3A4
Canada