Found this on Vintagemachinery.org

Shows the manufacturer of your 608.91 battery charger as being manufactured by Associated Equipment.
Prefix - Manufacturer
608 - Associated Equipment (older Sears battery chargers)

Unfortunately it doesn't say how old it might be. Apparently Associated Equipment is still in business and selling battery chargers. You might give them a shout and see what they can tell you. Link

I'll move this thread to the Tool Chest so it won't go away in 30 days. smile

Last edited by Gdads51; 01/08/2024 1:56 AM. Reason: spelling
Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
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If you're smart enough to take it apart, you darn well better be smart enough to put it back together.