That’s what I’m talkin’ ‘bout. Either use one of these on the battery itself or do it in the circuit with the live load.
From: Brian Sullivan Sent: Thursday, August 2, 2018 10:27 AM To: af@af.afmug.com Subject: Re: [AFMUG] Battery testers? Our TrippLite units have a self test feature and report when the bank of backup cells are beginning to fail. To identify which cell it is we use a basic load tester. BAD cells get recycled and 'not-so-bad' cells get reused on non-critical devices. https://www.harborfreight.com/100-amp-612v-battery-load-tester-61747.html On 8/2/2018 11:18 AM, Darren Shea wrote: We have UPS systems at pretty much every site, and we know that our 12V AGM batteries will need to be replaced at regular intervals, but we'd like to be able to test the batteries to make sure we prioritize the ones which are in the worst shape. I checked on Amazon, and there are dozens of different battery testers of this type, ranging in price from under $20 to $150, but it's hard to sift through all these devices to find the ones that would work best for our purpose. Do any of you use any portable battery testers to check the health of your batteries in the field? Which features or units did you find are worthwhile/necessary, and which units and features are useless or worse? Thank you, Darren -------------------------------------------------------------------------------- -- AF mailing list AF@af.afmug.com http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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