Mean Well RSP-500-15 Switching Power Supply
IT just arrived. Initial impressions: Much heavier than the cheapowatt 1/2" wider, 1/2 inch longer and almost 1/2 inch less High than cheapowatt. The casing is about 50 to 75% thicker aluminum t...
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The MeanWell RSP-500-15 has been performing well.
I've gotten a new 15 amp GFCI outlet located nearby, so Ive been giving the screwy 31 an easier time since my return to full timing a week ago. I can use my 25 feet 12 AWG outdoor extension cord as opposed to the 100 footer.
I did take 40 amp hours out of it one night, and having all the time in the world to recharge, I set the MW to 13.6V and let it go. I also reduced my solar to 13.5V max basically rendering it useless. It was cloudy/rainy anyway. Amps quickly tapered to under 20, and 42 hours later it was only accepting 0.1 amps at 13.6v. The battery monitor read 0AH from full.
I busted out the Hydrometer at that point. 1.255, 1.260, 1.260 on the 3 easy to read cells.
I cranked MW back upto 14.9v at that point, and the battery took 7 amps to get up there. It took about 45 minutes to taper to under 2.5 amps. I did not check SG again. 13.6v was obviously not going to complete the job on this battery. Perhaps if I had another week plugged in, but I suspect not, not with this battery anyway.
42 hours at 13.6v was obviously not enough time to max out the SG and my lying battery monitor could use a smack across the face, but how could it really know better.
Anyway this thread is about the MeanWell as a charger/converter, not the Screwy 31, and I am updating because of my cheapo 10 turn 1K ohm Potentiometer.
It always had kind of a crusty feel when turning it, and recently, when lowering voltage slowly, it would jump around and cause the overvoltage protection to kick in and out as voltage instantly dropped 0.4 then back up 0.39 according to GT power meter. It got to the point I would just disconnect the 45 amp Anderson power poles, then lower voltage, then plug it back in, as the overvoltage protection kicking in and out is a bit unnerving and cannot be good for the unit long term.
Anyway I decided to obtain some Caig DeOxit FaderLube, the F5, the 5% solution, not the 100%, in a spray can. I removed the 3 small screws holding the Pot together and opened it about 1/8" and sprayed it liberally inside. Thenclosed it back up, and spun it back and forth the full 10 turns several times. Right side up and upside down. Crustiness is now 95% gone, and voltage lowering, or raising is now Smooth as can be with no jumping around. Dialing in a 0.01v change is now gloriously easy.
I probably should have obtained the f100 solution which has no cleaning ability but is safe for conductive plated plastics like faders and potentiometers, but is 100% lube instead.
Anyway, I'll be using this Caig f5 on my Throttle position sensor, and next time I visit my Musician friends and neighbors I'll bring my various Caig products and get rid of all that crustiness that occurs when they twist their leads or turn their pots and move their faders.
I've gotten a new 15 amp GFCI outlet located nearby, so Ive been giving the screwy 31 an easier time since my return to full timing a week ago. I can use my 25 feet 12 AWG outdoor extension cord as opposed to the 100 footer.
I did take 40 amp hours out of it one night, and having all the time in the world to recharge, I set the MW to 13.6V and let it go. I also reduced my solar to 13.5V max basically rendering it useless. It was cloudy/rainy anyway. Amps quickly tapered to under 20, and 42 hours later it was only accepting 0.1 amps at 13.6v. The battery monitor read 0AH from full.
I busted out the Hydrometer at that point. 1.255, 1.260, 1.260 on the 3 easy to read cells.
I cranked MW back upto 14.9v at that point, and the battery took 7 amps to get up there. It took about 45 minutes to taper to under 2.5 amps. I did not check SG again. 13.6v was obviously not going to complete the job on this battery. Perhaps if I had another week plugged in, but I suspect not, not with this battery anyway.
42 hours at 13.6v was obviously not enough time to max out the SG and my lying battery monitor could use a smack across the face, but how could it really know better.
Anyway this thread is about the MeanWell as a charger/converter, not the Screwy 31, and I am updating because of my cheapo 10 turn 1K ohm Potentiometer.
It always had kind of a crusty feel when turning it, and recently, when lowering voltage slowly, it would jump around and cause the overvoltage protection to kick in and out as voltage instantly dropped 0.4 then back up 0.39 according to GT power meter. It got to the point I would just disconnect the 45 amp Anderson power poles, then lower voltage, then plug it back in, as the overvoltage protection kicking in and out is a bit unnerving and cannot be good for the unit long term.
Anyway I decided to obtain some Caig DeOxit FaderLube, the F5, the 5% solution, not the 100%, in a spray can. I removed the 3 small screws holding the Pot together and opened it about 1/8" and sprayed it liberally inside. Thenclosed it back up, and spun it back and forth the full 10 turns several times. Right side up and upside down. Crustiness is now 95% gone, and voltage lowering, or raising is now Smooth as can be with no jumping around. Dialing in a 0.01v change is now gloriously easy.
I probably should have obtained the f100 solution which has no cleaning ability but is safe for conductive plated plastics like faders and potentiometers, but is 100% lube instead.
Anyway, I'll be using this Caig f5 on my Throttle position sensor, and next time I visit my Musician friends and neighbors I'll bring my various Caig products and get rid of all that crustiness that occurs when they twist their leads or turn their pots and move their faders.
