Hippogriff
Member
Bought one of the cheap things off eBay, from China. Backup plan will be PP3s with spares in my pocket... or about 100 23As.
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I think having these batteries in a hat where drinking large quantities of alcohol is involved is probably not overly smart for me.
Six AA alkaline battery cells produce 9V only when they are brand new!W-e-ell, it was more a tongue-in-cheek reason for not looking into these in great detail. I think I'll stick with AAs and see how they work out - either 6 x AA at 9v, 8 x AA at 12v or some combination with a boost converter.