- APC UPS -- replace battery, or...? - 7 Updates
- Gas Dryer Air - 3 Updates
- S. Leon's Linear Algebra with Applications 7th Edition SOLUTIONS MANUAL - 1 Update
- Hot swapping CMOS batteries - 2 Updates
- Finding the correct power adapter for a no-name brand music stand light. - 2 Updates
- wire conductivity - 1 Update
- CR2023? CR2032 Batteries - 1 Update
"Percival P. Cassidy" <Nobody@NotMyISP.net>: Jan 14 12:01PM -0500 On 01/14/2017 06:07 AM, Phil Allison wrote: > IME you are lucky to get more than 2 years out of one, specially when abused with massive, high current, short term discharges as here. > If not charged regularly, the things self destruct in about 1 to 2 years from NEW through internal corrosion. > As another poster has said, i'ts odds on the battery/s are stuffed. Yes, regular SLA battery. CSB branded on the end, with an APC label on the front. As I stated in my original message, there is no indication that the battery needs replacing -- BUT now that I look at the thing closely, there is no sign of the "Replace Battery" indicator that, according to the user guide, is supposed to flash when the battery needs replacing: it simply does not exist. I don't remember when or where I bought this UPS; could it be a dumbed-down-for-sale-in-discount-stores variant -- but still with the same model number? Perce |
"Percival P. Cassidy" <Nobody@NotMyISP.net>: Jan 14 02:58PM -0500 On 01/14/2017 12:01 PM, Percival P. Cassidy wrote: > it simply does not exist. I don't remember when or where I bought this > UPS; could it be a dumbed-down-for-sale-in-discount-stores variant -- > but still with the same model number? It works with a different (but not new) battery. Perce |
"Benderthe.evilrobot" <Benderthe.evilrobot@virginmedia.com>: Jan 14 09:06PM "Percival P. Cassidy" <Nobody@NotMyISP.net> wrote in message news:edtfo7Fu422U1@mid.individual.net... > is overloaded (no indicator lights, and continuous sound). > Is it worth replacing the battery just in case, or is this thing ready for > the recyclers? A UPS I bought had an energy saving feature that prevented it operating if the load was under a specified value. The last battery problem I had involved a battery that seemed to be OK, but the UPS played dead. All tests suggested the battery was good - but it was sluggish turning over a motorcycle starter. |
"Benderthe.evilrobot" <Benderthe.evilrobot@virginmedia.com>: Jan 14 09:11PM "Phil Allison" <pallison49@gmail.com> wrote in message news:1ba55766-10e4-4252-9aff-460b481c91f6@googlegroups.com... > ** It's just a regular SLA battery ( aka gell cell) - right ? > IME you are lucky to get more than 2 years out of one, specially when > abused with massive, high current, short term discharges as here. High current will take a toll - but the batteries last longer if you have frequent outages. If its only ever float charged; the distilled water eventually gasses away - the more concentrated H2SO4 left behind sulphates the plates. |
"pfjw@aol.com" <pfjw@aol.com>: Jan 15 05:10AM -0800 On Saturday, January 14, 2017 at 7:43:01 AM UTC-5, Baron wrote: > -- > Best Regards: > Baron. NOT if your car has a 'brain'. Removing the battery will remove much of the 'learning' it does, wipe the radio code (do you remember where that is?), wipe out any sync, and, perhaps, wipe some of the operational updates (there are always some) that have been done on the car since it was first programmed at the factory. Peter Wieck Melrose Park, PA |
Baron <baron@linuxmaniac.net>: Jan 15 01:43PM > the car since it was first programmed at the factory. > Peter Wieck > Melrose Park, PA He doesn't have to remove the battery, just use jumper leads to test the UPS. -- Best Regards: Baron. |
"pfjw@aol.com" <pfjw@aol.com>: Jan 15 06:37AM -0800 On Sunday, January 15, 2017 at 8:43:08 AM UTC-5, Baron wrote: > -- > Best Regards: > Baron. Really? We have established that the UPS is not working. What if the "not working" has nothing to do with the battery? Now you are connecting one system - defects unknown - to another system not (yet) defective, directly. Smart move! Peter Wieck Melrose Park, PA |
"Newgene McMensa" <newgene.mcmensaREMOVE@gREMOVEmail.com>: Jan 14 01:10PM -0800 The igniter is out in my gas dryer. Most likely that's it -- there is no clicking sound when starting the dryer like before. It's not worth it to have a repairman come out. It's in an unheated area, so as a temporary fix, I'd like to direct warm dry air from the house to the inlet with a length of duct hose, but don't know where the air comes into the dryer. Anyone know where the air inlet is in these? Thanks in advance Snuffy |
"pfjw@aol.com" <pfjw@aol.com>: Jan 15 05:22AM -0800 a) Dryers are very simple beasts. So simple that more-or-less anyone familiar with the operation of basic hand tools who understands basic electrical precautions, and knows enough to take many pictures during the disassembly operation to aid the re-assembly is qualified to make basic repairs. b) A repair person will charge anywhere from $75 - $150 to walk in the door, and then any parts on top of that. And as igniter repairs require considerable disassembly, probably another hour in labor. c) If the machine is 20+ years old, it may need replacement anyway, so a visual inspection by you prior to making any repairs and/or expending any payments on outside labor or parts would be a good thing. And, if you do decide to make repairs, replace the drum gasket, bearing and rollers as well. Doing that + the igniter makes the dryer "practically new" but for the motor - and those seem to go very nearly forever in my direct experience. Look all this up on You-Tube, there will be many such repairs shown, probably one for your specific brand and type of dryer. Peter Wieck Melrose Park, PA |
"pfjw@aol.com" <pfjw@aol.com>: Jan 15 05:24AM -0800 Oh, the air from your house will be far too humid to dry clothes in the way you describe - unless you have several hours (wool) or days (cotton) to spend on it. Air Drying in that cold room is as good or better as the air in that room will be far less humid than that from your house under most condition. If you live in tropical climes, no. But if you are in the great frozen north, or equivalent, yes. |
markrainsun7@gmail.com: Jan 15 04:29AM -0800 S. Leon's Linear Algebra with Applications 7th Edition SOLUTIONS MANUAL I have the comprehensive instructor's solution manuals in an electronic format for the following textbooks. They include full solutions to all the problems in the text, but please DO NOT POST HERE, instead send me email including title and edition of the solutions manual u need to download it. NOTE: this service is NOT free My email: markrainsun( at )gmail( dot )com Here are some from my list ... SOLUTIONS MANUAL: 2500 Solved Problems in Fluid Mechanics & Hydraulics Schaums by Evett, cheng Liu SOLUTIONS MANUAL: A Brief Introduction To Fluid Mechanics, 5th Edition by Donald F. Young, Bruce R. Munson, Theodore H. Okiishi and Wade W. 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"Michael A. Terrell" <mike.terrell@earthlink.net>: Jan 14 08:31PM -0500 Michael Black wrote: > Wasn't that one reason for promoting the cordless soldering iron sold > in the seventies? I forget who made it, Radio Shack sold it under their name also, but there was something about an "iso-tip". Since it > didn't plug in, you could use it where other irons might not be safe. Wahl made, and still makes them. -- Never piss off an Engineer! They don't get mad. They don't get even. They go for over unity! ;-) |
Michael Black <et472@ncf.ca>: Jan 15 03:29AM -0500 |
Fred McKenzie <fmmck@aol.com>: Jan 14 11:54AM -0500 In article <o58s1u$q6b$1@dont-email.me>, > the neck of the lamp where the LED's are attached. There is also a blob of > round black stuff on the main pc board that looks like it could be covering > a uP. David- I recently purchased a similar stand light, so your article caught my eye. Mine is more like the 10 LED version with replaceable batteries. Searching Amazon, I found at least four 9-LED lights that are close to what you have. I think they all can be powered (or charged) from either an AC adapter or a from a USB outlet. The four are: Kootek Sipik Ohuhu Lumiens L9B. It is possible that two or more of these are actually the same light imported by different companies. Is there anything about yours that might suggest one of these names? Fred |
"David Farber" <farberbear.unspam@aol.com>: Jan 14 11:31PM -0800 Fred McKenzie wrote: > imported by different companies. Is there anything about yours that > might suggest one of these names? > Fred Hi Fred, I personally have the 9 LED Mighty Bright that I purchased a couple of years ago which uses 3 AA batteries. It also can be powered with an AC adapter which is 4V 400ma. There isn't any kind of identifying writing anywhere on this other light. I haven't opened up the lamp compartment but I may do that just because I've looked everywhere else. Thanks for your reply. -- David Farber Los Osos, CA |
"Michael A. Terrell" <mike.terrell@earthlink.net>: Jan 14 08:18PM -0500 Ralph Mowery wrote: > I have seen some coax where the center conductor is aluminum with a > coating of copper, but this is for use at radio frequencies where the > skin effect is very much in effect. CATV coax (RG-59, RG-6, RG-11) uses a STEEL center conductor for strength, not aluminum. The figure eight version for drops hs an added stainless steel messenger wire. .500", .750" and larger trunk cables use aluminum to reduce the weight, but the .750" and larger trunk lines have to be able to handle 30A on the center conductor. .500" is only used to feed line extenders or line taps, and needs to be able to carry 15A. CATV line equipment is typically powered by 60 VAC modified sine wave from a large pole or pad mounted CVT, but some early 12 channel hardware was powered by 30VAC modified sine wave power supplies. This was mostly obsolete by the '70s. -- Never piss off an Engineer! They don't get mad. They don't get even. They go for over unity! ;-) |
"Wolfgang Allinger" <all2001@spambog.com>: Jan 14 02:11PM -0300 On 14 Jan 17 at group /sci/electronics/repair in article o5d9nv$913$7@dont-email.me > On 14/1/2017 7:36 AM, Wolfgang Allinger wrote: >> Nope! Look for the thickness 2.3 2.6 and 3.2 mm!!!! > Thickness is usually a reflection of capacity! so you also think, that price is a reflection of qualtiy SHRUGGGH Saludos (an alle Vernünftigen, Rest sh. sig) Wolfgang -- Ich bin in Paraguay lebender Trollallergiker :) reply Adresse gesetzt! Ich diskutiere zukünftig weniger mit Idioten, denn sie ziehen mich auf ihr Niveau herunter und schlagen mich dort mit ihrer Erfahrung! :p (lt. alter usenet Weisheit) iPod, iPhone, iPad, iTunes, iRak, iDiot |
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