Series CR123A are bad news -- why not Energizer Ultimate AA Li cells in series?

Joined
Jan 11, 2020
Messages
219
Location
Dayton, Ohio
And the answer is they are just as nasty and anyone using the Energizer Ultimate AA Li cells in series is asking for trouble.

I'll do a full posting, but for now be very careful. I have all these alarm system components that run off of (4) AA cells. I was using lithium outside, but the outside horns would drop dead without warning, cells dead. I also had installed Li AA in the inside units, why risk a AA acid meltdown.

An inside alarm started beeping that the cells were low. Took it down -- only two months, the previous set of alkaline lasted over a year? So I wised up and tested the four cells, didn't just toss them. The pulse load meter said one was at 80%, two at 20%, and one zero volts.

Now I think that applications such as these that pull small currents likely can't cause enough bad current flow to pop a cell like a flashlight. So no explosions for me -- but flashlight users beware. If you want the worst possible reliability, series up some Ultimate Lithium cells.
 

3_gun

Enlightened
Joined
Jun 27, 2021
Messages
645
Not my experience. Been using 2 & 3 cell 123a lights that have always given good, trouble free service. At the peak usage battery changes were a weekly or biweekly thing; now once or twice a year. I've never used Ultimate batteries in series so no experience to report other than good results in single cell lights to date
 

WarriorOfLight

Flashlight Enthusiast
Joined
Oct 17, 2009
Messages
1,777
Location
In the middle of Europe
I am using my Surefire E2L-AA only with L91 cells (2 in series). No issues since I have this light, and this is years ago that I bought the light. I also used my Surefire M6 with CR123 cells (3 in series), and also my CR123 cells that were shipped with my Dominator (4 in series) were used in the Dominator. No issues at all.
 

Eicca

Newly Enlightened
Joined
Aug 3, 2019
Messages
108
I have eight lithium AAs in series in my 1980s guitar headphone amp. Been there since 2019 and hasn't exploded.
 
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