https://community.arlo.com/t5/Arlo/Old-Replaced-CR123-123A-Batteries/m-p/1618785#M55053 <P>The 123 cells when new are 3.2v ( tho labeled as 3 )... the Arlo cameras consider them dead at just about 2.75v.</P> <P>&nbsp;</P> <P>If you are finding 123 batteries that have a higher voltage reading, it may be the batteries not sitting in the camera correctly.</P> <P>The arlo cams use 2 sets of 2 cells in parallel.&nbsp; If one set doesnt make good contact, the cam can run on just one pair for a shorter life..then the battery may still read as good</P> Mon, 06 Aug 2018 01:10:34 GMT TomMac 2018-08-06T01:10:34Z https://community.arlo.com/t5/Arlo/Old-Replaced-CR123-123A-Batteries/m-p/1618760#M55052 <P>Before&nbsp; you toss out&nbsp; your replaced arlo batteries you should test them for power under load.&nbsp; I tested a bunch of CR123's batteries with a ZTS PULSE LOAD MULTI - BATTERY TESTER before throwing them out and discovered some batteries still had 80 - 100% charge. Could save you some money! Just a Thought!</P> Mon, 06 Aug 2018 00:19:01 GMT https://community.arlo.com/t5/Arlo/Old-Replaced-CR123-123A-Batteries/m-p/1618760#M55052 MS123A 2018-08-06T00:19:01Z https://community.arlo.com/t5/Arlo/Old-Replaced-CR123-123A-Batteries/m-p/1618785#M55053 <P>The 123 cells when new are 3.2v ( tho labeled as 3 )... the Arlo cameras consider them dead at just about 2.75v.</P> <P>&nbsp;</P> <P>If you are finding 123 batteries that have a higher voltage reading, it may be the batteries not sitting in the camera correctly.</P> <P>The arlo cams use 2 sets of 2 cells in parallel.&nbsp; If one set doesnt make good contact, the cam can run on just one pair for a shorter life..then the battery may still read as good</P> Mon, 06 Aug 2018 01:10:34 GMT https://community.arlo.com/t5/Arlo/Old-Replaced-CR123-123A-Batteries/m-p/1618785#M55053 TomMac 2018-08-06T01:10:34Z