It doesn't answer your question directly; I use Eneloop rechargeable batteries in my M100 and M200 and note excellent battery life without any problems.
On Thu, Jul 3, 2025 at 10:07 AM Erik Keever <[email protected]> wrote: > Hi folks, > > I'm sort of curious, in the modern era the M100's use of 1.5V alkalines is > somewhat of a wasteful habit and they are slowly becoming less available > than they used to be as everything goes LiIon. > > Lithium batteries with builtin 1.5V regulators are nice for sure, but > given that its switching converter is apparently known for not being the > most reliable part of it (and seeing as it's driven by a discrete > darlington, is probably not exactly the most efficient power circuit ever > designed either), has anyone ever engineered a replacement with a modern > 2-output POL regulator that would take 4 stacked lithiums as input? > > -- Erik >
