T

Fri, Mar 13, 2020 5:28 PM

Batteries effect on sensor range

Obviously a low battery (if it still functions the installed device) should emit a weaker signal.

But:
I was having trouble with sensitivity and distance sensing with my motion detectors on 'H' setting.  The simplisafe supplied Duracel 123 batteries checked at 3.0v.  I had Surefire 123A batteries on hand and they checked at 3.2v.  Decided to 'test' the Surefire battery in the detector and it then worked as expected to from information given by simplisafe.

Now I wonder; If the efficient life of the devices is diminished as the battery wears down or IF the unit shuts down at a certain point and demands a battery replacement?

Having to ride-herd on sensors losing sensitivity and range is going to be a 'pain' if it just keeps losing sensitivity until the battery power poops-out (along with the effectiveness of the sensors).

Captain

 • 

4.7K Messages

Il y a 2 y

@testudo in my experience with SS3 (had SS2 also) the battery warning you get from the system is when you should change the battery. With SS2 that did not have that feature I changed batteries at regular intervals, that I kept track of in a spreadsheet. (please don't laugh).  I have over 40 sensors and the system does appear to do a good job telling me when to change them, including all of my sensors (11).

8 Messages

Interesting  Cap'n-  Do you notice degradation of the range/sensitivity as SS3 gets down near the battery (low) warning?

Captain

 • 

4.7K Messages

Il y a 2 y

@testudo no I do not but must note I never tested it.  Also, from experience, I have set some of my motions from high to medium to avoid false alarms.  A motion that has no false alarms for 6 months can all of a sudden cause one.  It is a common misconception a setting to high is better than one on medium or low, but not the case.  You should use the setting you need.

For example, our 2600 sq foot house is a classic two story center hall colonial.  There are motion sensors in all first floor rooms, that makes six. When I first installed them, all were on high.  Over the years since, three are now on medium and every square foot of each room is covered and misses occasional cross drafts that can occur between rooms when our new super efficient furnace with a higher rated blower kicks it.  When our house in the winter drops to around 60 (some rooms 59) the need to make sure you have proper placements and sensitivity strengths is essential.  All is fine now but I got here through a lot of testing.

Hope this helps.

8 Messages

Il y a 2 y

Thanks, Capt'n