I also use Eneloop NiMH rechargeables in mine. It doesn't seem to care that the battery voltage ends up closer to 4.8v than 6v. The Tandy 102 isn't exactly a power-hungry device.
On Thu, Jul 3, 2025, 14:20 Mike Stein <[email protected]> wrote: > I use 2 sets of IKEA LADDA rechargeables which seem to be Eneloops under a > different name but at half the price: > Panasonic Eneloop vs IKEA LADDA | Are They The Same? > <https://www.slrlounge.com/panasonic-eneloop-vs-ikea-ladda-are-they-the-same/> > > Also, there's info out there somewhere about adjusting the M100's low > battery light and cutoff to better match NiMh batteries' 1.2V vs 1.5 > > I have some 1.5V AA rechargeable batteries at home which AFAIR are ZnFe > technology but their shelf life isn't great and they seem to have > disappeared from the market, replaced by those regulated Lithiums; anybody > know anything about those? > > On Thu, Jul 3, 2025 at 1:14 PM Tom Cronin <[email protected]> > wrote: > >> 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 >>> >>
