mjvesq1969 Posted February 26, 2018 Share Posted February 26, 2018 can anyone give me a simple calculation (not an app) for calculating what size battery i require, taking in quiescent, in alarm and time of back up needed...ta Quote Link to comment Share on other sites More sharing options...
al-yeti Posted February 26, 2018 Share Posted February 26, 2018 Do you know ohms law? Do you have the current consum for each device to start with Quote Link to comment Share on other sites More sharing options...
PeterJames Posted February 26, 2018 Share Posted February 26, 2018 Quote Link to comment Share on other sites More sharing options...
al-yeti Posted February 26, 2018 Share Posted February 26, 2018 1 hour ago, PeterJames said: You rely on that for large systems ? Quote Link to comment Share on other sites More sharing options...
PeterJames Posted February 26, 2018 Share Posted February 26, 2018 7 minutes ago, al-yeti said: You rely on that for large systems ? Its accepted by NSI Quote Link to comment Share on other sites More sharing options...
al-yeti Posted February 26, 2018 Share Posted February 26, 2018 12 minutes ago, PeterJames said: Its accepted by NSI Come on man , you know what I mean , do you go by that strictly or use own methods as well Or got a Chinese calculator ? Quote Link to comment Share on other sites More sharing options...
PeterJames Posted February 26, 2018 Share Posted February 26, 2018 29 minutes ago, al-yeti said: Come on man , you know what I mean , do you go by that strictly or use own methods as well Or got a Chinese calculator ? It doesnt need to be an exact science, who has powercuts in this country nowadays? Quote Link to comment Share on other sites More sharing options...
al-yeti Posted February 26, 2018 Share Posted February 26, 2018 12 minutes ago, PeterJames said: It doesnt need to be an exact science, who has powercuts in this country nowadays? Moderators lounge? Quote Link to comment Share on other sites More sharing options...
sixwheeledbeast Posted February 27, 2018 Share Posted February 27, 2018 20 hours ago, mjvesq1969 said: calculating what size battery i require, taking in quiescent, in alarm and time of back up needed...ta So the logical first question is:- Do you know how to measure the quiescent, alarm and what standby time is required for your system? Garbage in, garbage out... Quote Link to comment Share on other sites More sharing options...
mjvesq1969 Posted February 27, 2018 Author Share Posted February 27, 2018 yes mate. just looking for an easy calc really Quote Link to comment Share on other sites More sharing options...
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