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Power/Alternative Energy  

Measuring battery current with precision

Posted: 19 Oct 2007  Print Version  Bookmark and Share Subscribe

Keywords: battery current measurement  SLA  battery power backup 

[Summary of tips] When power fails, many home and commercial alarm systems go to a backup battery, most commonly a 12-volt sealed lead-acid type. If you're able to accurately sense the current draw, and the battery is well-characterised, you'll be able to accurately determine the amount of time remaining before your mission-critical system dies.......
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