On Dec 23, 2018, at 7:13 AM, Stuart Henderson <s...@spacehopper.org> wrote: > > I have had APCs that required a crowbar to remove the batteries before ;) > Whatever brand, it's probably a good idea to schedule a battery inspection > from time to time.
I would second this and go further. I spent four years working in the Bahamas where the power reliability is awful, to be charitable. Power cuts averaged about two per month. Some of it just the usual problems of living in an area with a small grid and lots of lightning storms, some of it due to poor maintenance at the electric company. The batteries in an UPS are generally rated for 3-5 years, so: 1) Plan and budget for replacing them in 3 years, including proper recycling. 2) Put a label on the UPS with the date on which the battery was last replaced, and also when it was last inspected. This will save you a lot of grief. --Paul
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