List: time-nuts@lists.febo.com
From: Charles Steinmetz
Re: [time-nuts] Motorola Oncore UT+ firmware upgrade & backup power questions
Mon, Mar 16, 2015 2:49 AM
Also coin cells are optimized for long life times,
>with very little current drawn, while most AA/AAA are not, or not as much.
>Ie, i wouldn't expect an AAA cell, and much less an AA cell to last 10 years.
The Energizer AA and AAA lithium primary batteries (Li/FeS2) have a
shelf life exceeding 10 years, as do their 9v batteries (Li/MnO2).