After the demonstration one of my professors in my first ever EE class made with a x F capacitor (I think it was 3 Farad, but I do not remember anymore) I am not going to steer clear of large caps for a bit. I can just see myself getting zapped pretty bad.jonnyGURU said:Why not throw some Phoenix Gold 1F caps on their to help stabilize the battery output.
Unless you're running some very unstable loads (the kind that change their power draw suddenly), you won't need caps. The types of stuff you hook to a UPS are usually very nice, steady loads. Even so, a car battery can probably very happily provide more current than the inverter can convert to AC.jonnyGURU said:Why not throw some Phoenix Gold 1F caps on their to help stabilize the battery output.
I used to be a mechanic at Monkey Wards and would often have to spend lots of time in the battery room where there were a few dozen batteries on the charging rack. Doing inventory, organizing, rotating stock. I Don tthinn ibe affexted bi dd hidronagen gassz.
ryan_975 said:I'm sure that room was well ventilated though. If not, I'd be calling OSHA or the fire inspector.if I worked there.
jonnyGURU said:Just one door with "No Smoking" on it, to be perfectly honest. No vent fan or anything.
And Osha won't change that.. Wards has been out of bizz since 2002.
The acid is fully dissolved in water. Yes, some very small amount might escape, but it's such a small amount, it wouldn't do noticable damage.larrymoencurly said:Also what about corrosive acid vapor getting on nearby metal? I wouldn't want anything but a completely sealed battery, like an Optima.
I think that only applies to houses built in the last 7-8 years. My house is 12 years old and leaks like nobody's business. One of these days I've got to go up in the attic and seal up all those leaks in the A/C ducts...todays houses (except mine of course) are so well sealed for energy savings that the hydrogen escaping through tiny cracks isn't really something I see happening.
jonnyGURU said:They must have improved since 10 years ago when I worked at Wards.
The return rate on Exide was HORRIBLE back then. All of us mechanics used Interstate for our own vehicles. Even the Energizers at Wal-Mart were better.
ryan_975 said:I was talking about EverStart not Exide just to be sure. Anyway Everstart is what Walmart sells now. I bought a 900 CA/750CCA battery for 59.99 about six months ago for my car. It has a 5 year free replacement on it.
You could just use 4 car batteries. Keep in mind that, like your PSU, your UPS only uses as much power as is demanded of it. And more batteries means less current, and longer life. If you just have one computer attached to that UPS, it's gonna run a looooooong time if you hook up 4 car batteries (even not optimas).dandragonrage said:My UPS uses 48v... 4 Optimas would be a little expensive, but damn, what an uptime I could get with them.
Think that is bad, my buddy runs a 96Volt DC powered Ford Escort... dual battery packs.. the math on that pegs the suckage meter to "full on ass suckage" for replacement battery packs...dandragonrage said:My UPS uses 48v... 4 Optimas would be a little expensive, but damn, what an uptime I could get with them.