Rich Felker@mhoye Anyway, to keep in mind in general: if you don't want to have 4S or more of batteries (4 18650s or other lithium cells in series), getting 15V output is going to need a boost converter somewhere. So you'll either need a fancy PD module like the above that configures the boost using PD, or you'll need a separate-stage boost to give >15V input to a buck-only PD module.
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