4.8v 4000mah battery insert for velux solar window blinds 833442

Replacement rechargeable 4.8v 4000mah battery insert for velux solar window blinds.
This pack has an increased capacity over the original 3500mAh HHR-370 AH Panasonic battery.

Models: 941979, 833442, 49BA12BB

Battery for solar blind VELUX DSL IO

NB: to fit this pack, soldering is required for the 2 terminals.

Dimensions:
Length: 135mm
Width: 36mm
Depth: 18mm