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I could see how that would be a liabilty isssue. Never thought about the general public use not following the correct usage. Very good point. The custom parallel adapters maybe the only source we may see.
I think it is possible to see 3AA parallel adapters as they sell 2AA versions already. I just don't see them showing up in the stores around town any time soon. If I had the equipment, I think you could take a 3AA series adapter (not the enclosed canister type) and rip the contacts/springs out and replace them with other springs and contacts. It shouldn't be hard to redesign an adapter and use heavier contacts on it to handle slightly greater currents. You won't be able to put too heavy of contacts in because of tolerances of the design most likely take into consideration thin plates and springs.
You're welcome. I was curious myself. Before, I didn't know about even the 2xAA adapter. All I knew of were the adapters that came with my BC-900. You're right about the other part as well. 1xAA adapters are the norm. As best as I can tell from my quick review, all the 4xAA adapters were custom projects, and the website of the company that sells 3xAA adapters is down - maybe it is out of business now. That's why the current best is 2xAA to D adapters. I wish that at least the 3xAA ones were still available, if not a 4xAA version, but if you want a solution now, then that's what is available and affordable, and you can see where to get it from.
I have been looking around for over 5 years for a 3AA parallel D cell adapter and have only seen custom made ones. There was once a 4AA parallel adapter made by Aventrade and a group buy had people getting them for under $6 each I believe but the company seems to have folded and there was only one group buy at that I sort of cringed at the price as I thought it was a bit steep considering there was issues with them working properly with some nimh cells and some were having to drill out the plastic to fit batteries also plus some devices they just won't work due to the diameter of 4 cells is too much.
The aventrade adapters were IMO on the very edge of being too much. Even during the group buy they were $5 each and for using in an 8D lantern that adds $40 to the cost of 32 AA batteries which if used often it approaches the cost of nimh D cells and a charger for them vs an 8 bay AA charger or multiple 4 bay chargers.
I don't think you will ever see such a thing. I do recall a company now selling a parallel 3AA>D adapters for about $10 each they want around $10 plus shipping I think and at first glance they look good enough but the $10 price is the kicker as 4 of them may cost $45 to $50 with shipping added in.
I was wrong about the price it is $15
It looks better made by far than the Soshine 2AA parallel adapters which have metal contacts vs actual plated springs. I agree the price should be about $7 with shipping but I think sales of them at that price doesn't drive down prices.
