On Fri, 26 Jan 2024, Andy Smith wrote: > Hi, > > On Fri, Jan 26, 2024 at 04:11:39PM +0100, hw wrote: >> I've never had issues with any UPS due to self tests. The batteries >> need to be replaced when they are worn out. How often that is >> required depends on the UPS and the conditions it is working in, >> usually every 3--5 years. > > Out of interest what brand of UPS do you recommend for home use that > has easily-replaceable batteries every 3–5 years? For a load of > about 300W.
just my experience i have 2 apc 740's that date from the mid 90's when the internal battery gave out i added a 50 amp anderson connector i connect to a 35ah sla you can change battteries while it's running
