@freemo Another issue with this advice is about devices that require certain voltage to operate.
Many so called 1.5v lion packs don't push more than 1.2v. While it is fine for many devices, it might be not sufficient for others, as they expect alcaline bats to start from 1.6v.
This is a consumer note, though, there are lion bats that fit the voltage.
@nm0i every liion AA and AAA battery I have seen is built to delivery exactly 1.5V, they use DC-DC converters. A liion cell by itself is 3.7V so any liion AA or AAA **must** used a DC-DC. I cant imagine why any 1.2V liion would even exist, if they are using a DC-DC they would of course set it at the optimal voltage.
My guess is that you are confusing Liion with NiMH which has a cell voltage of 1.2V and does have the problem you suggest. But as far as I know, no this isnt a problem with liion.
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