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After-market battery for Uninterruptible Power Supply -- one user's experience
Percival P. Cassidy wrote:
But this experience has got me wondering how after-market batteries in general compare with the ones installed by reputable manufacturers of UPSes and other devices. I have had good luck with both Panasonic and Power-Sonic sealed lead- acid batteries, and bad luck with everything else I've tried, including BB Battery, UB, CSB, and Power Patrol. All the Power-Sonics I bought before 2013 were made in Mexico, but the ones I bought in 2013 were made in China. I put them in my old APC UPS (circa 2000) but their longevity remains to be seen. I'd be inclined to trust a Yuasa, based on experience with their flooded batteries, but I have no experience with their sealed lead-acid batteries. I get about five or six years from these batteries in a computer UPS, where the utility power is pretty reliable. I have mostly used the "7 Ah" size (which, these days, is often labeled 7.2 or 7.5 Ah). I usually order them online from Digi-Key or Mouser. I checked Amazon and a few sellers there are showing *pictures* of a Power-Sonic battery but probably *shipping* some junk battery. Caveat emptor. Note that the "7 Ah" size can come with 3/16" wide or 1/4" wide tab terminals; make sure you get the right one. Also, I worked on an APC 1U rack-mount UPS that specified batteries with a flame-resistant casing; this was only easy to find in Panasonic's line. (They are in the Power-Sonic catalog but I couldn't figure out how to buy them in small quantities.) I think that every battery from an APC UPS that I've ever examined was made by CSB, and the ones that came from the CyberPower UPS are by "B.B. Battery"; the latter is definitely Chinese, and I think CSB is also. I'm pretty sure CSB is "China Storage Battery". Matt Roberds |
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After-market battery for Uninterruptible Power Supply -- one user's experience
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