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Avoiding Battery Brownout

Posted by Peter Hiscocks on 6/12/2014 to Technical Papers
These days, many amateur astronomers use a GOTO telescope mount - a mount that uses GPS to determine the location, and a computer to aim the telescope. The telescope mount is usually powered by a lead-acid battery. This application note was originally written for these astronomers, but it will be of interest to anyone using a lead-acid battery.

The application note shows methods of charging and discharging the battery that prolongs its life. We also show how to measure battery capacity using the Syscomp DVM-101 recording multimeter. And we include design and construction information for an expanded scale voltmeter that can be used as a a 'gas gauge' for a lead acid battery.

Visit the RASC website to download the paper.

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