Air battery voltage?

Have had my sky and storm for 10 days and allready noticed a battery drop of .3 volts? Does sound right? So 30 days at that rate would be .9 volt or almost a volt gone. And these are the orginal batteries?

Some have said on here have gotten 8 months on orginal batteries? At the voltage drop I see wont even get near that? Mind you it has been cold here lately and cold weather can have an effect on batteries.

I do notice though through the day the battery voltage can change slightly and go up and dont .1 volt

Yes, that is normal.

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That’s good to know. Thanks

Also note that the voltage drop is not linear. The initial drop is typically faster then levels out for a long while then drops quickly at the end. This is assuming you are using the recommended Lithium batteries.