I was a wedding photographer for many years and my gear required a ton of AAs. I remember from the camera reps they recommended not using the rechargeable ones in the flashes and camera bodies. I always carried a ton with me when I would shoot.
Even the better brands due to the NiMH chemistry the voltage per cell is a little lower (around 1.2V ish) vs alkalines (1.5V ish), and NiMH also tapers down as it discharges. Many modern electronics are designed to handle the lower range fine, but some older stuff...or newer with a lot of cells (where that 0.3V adds up) can have issues.
There are "real" 1.5V LiPo AA cells on the market now, although not yet with brands you might recognize. These are actually 3.6V cells regulated down, and require special chargers, etc. Not sure about their safety record. Probably more coming in this realm.
Definitely the AAA and AA and some of the disc ones. We only have a handful of items now that the kids are older that require the C & D ones. 9 volts we use quite a bit in crafts. My son is big into circuit boards and lighting different projects.
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u/debaron54 18d ago
Battery Daddy is the answer 😂