6.0V 4000mAh Velux battery insert for 941978

Replacement rechargeable 6v 4000mah battery insert for velux solar window blinds.
This pack has an increased capacity over the original 3500mAh HHR-370 AH Panasonic battery, and should give longer duration in use.

BATTERY for SOLAR SKYLIGHT 6V NIMH 941978 3.8AH
Velux 04AT01BG
Velux 941978
Velux VAS 451509-0406

Battery for solar blind Solar Skylight 6V NIMH 941978

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

Dimensions:
Length: 203mm
Width: 36mm
Depth: 18mm