backplate of what?

[ascot]

hi,

found this backplate with some instructions.
looks like it says it for a 'batterieladegerät' type G.A 24/5.

anyone an idea where this belongs to? a generator or such?

thanks,

[centuria]

something similar was here
https://www.ebay.de/itm/Grosses-Batt...-/331809723310

Großes Batterieladegerät 12V Ladegerät Elektrik Dresden A-28