QUOTE(Roman Catholic @ Mar 24 2022, 11:12 PM)
1. 10 years is about there for an AGM battery. A forummer here brought back an imported car and that battery from overseas lasted really really long. Our currency is falling like crap and as a result quality is being sacrificed, unless one intends to pay for quality. Ini semua pasal ada orang bodoh dekat Parliament.
2. I am located too far away from you. The cost of delivery those batteries would not be feasible. Your only option is put a word out among your neighbour and buy their dead batteries so that you can play with them. If you are located in klang i can pick up when i next go there to sort a few things out.
3. That is why those dead batteries cannot be use as jumper battery. A guy few doors away kept his dead batteries thinking they would be handy just in case he needed batteries to jumpstart. Bateri dah kong, simpan kat tu, lagi bateri tu kong kong. A dead battery will never have the CCA to help jumpstart another dead battery. If it could help jumpstart another dead battery then it wouldn't be dead now wouldn't it, but continued to be in service in someone else's vehicle.
Having said that, I wonder if weak batteries work like this, the combination of both batteries capacity if combined together are just sufficient enough to turn over the engine. Havent done such a thing before. LOL
4. About reconditioning batteries ie taking out and placing in new plates, new electrolytes etc etc like in those YouTube videos, can anyone point out what is the biggest flaw in those batteries ?
5. You have a blog bro ? Please share. TQVM
6. I have no idea what you are talking about. 😊
7. Yes the old Merc battery was located in the boot area, the Dr. showed me when I went to test the DIN100 battery and it was still in good condition despite it being 7 years old. He drives it around and he always parks in the shade or in his porch away from the sun. Cannot remember what battery brand it was.
8. I dunno know if Repaired Batteries are even possible. Some have written that pulsing etc dont really work. So I am leaning towards that such "Repaired Batteries" are actually batteries that are still in relatively good condition but were scammed away from their owners by unscrupulous out to make a quick buck.
A lady once called me for help with her dead battery. Upon testing I knew immediately that her electrical charging system had given way and she told me of her nightmare with endless battery changes, workshops etc etc. So I warn her not to call anyone else but me if ever her battery fails. You cannot imagine the number of times I met with workshops and tricks they do to force her to buy another new battery and everytime I bailed her out. If I am not mistaken I think I help her 3 times, everytime the battery was drained, I would charged it back up like new to her amazament, despite what the mechanics were telling her. No matter how good the Century Battery was, despite what other had said, everytime I brought it back to her, it was like new. I believed in the end she had sold that vehicle because every mechanice was scamming her left and right. Poor lady.
What I am trying to say is that is pressure to close the sale on a new battery and to relieve the owner of its still relatively good battery unknown to the owner. That way such used good batteries can be "repaired" and resold again at a better price, almost without any warranty attached at all. I didn't know about such things but it was a client who told me about it and even offered to show me which battery shop was indulging in such practices in Duyong area. Thank goodness that shop wasn't a Century dealer. Malu sial. This shop was taking a notch higher selling repaired batteries at full price like new, with box and all. Memang terkejut la got such practices. I often wonder if the accident that claimed 10 lives on Elite Expressway is linked to such "repaired batteries".
Note : Nope I dont do repairs nor reconditioning at all. Crazy man who wants to deal with all the hazardous waste. All traded in batteries are scrapped. I take another step further all Century Battery MUST be traded-in and I will deal with them accordingly so that they will not be able to traded as 2nd hand batteries whatsoever. Other battery brands I am not interested, if the owner wants them they can have it. Lesser work for me.
I hear you man, the average life span is 2 years. That is because the owners themselves are doing all kinds of jack shit things to their batteries and expect it to last ? They are nuts man. Only those who wants to be frugal and learns how to use their battery power wisely will be able to extend their battery life span.
1)you can make your own lead acid battery. If a battery is totally dead you can reuse the case and terminals, but you have to fully take it apart and insert the items required.
2) thats fine, ofcourse if anyone is near me either via public transport or location and want to donate their dead batteries feel free. I'll also be taking some materials for recycling for my battery project as well.
3) Dead batteries cant, but repaired dead batteries can. you can use them for jump start if you get the CCA right but capacity wise nope.
4) Simply that some of the thickness of the metal anode/cathode will be gone. Since you can scrape some of the material away and some material is lost to the whole reactions over time, this is why the lifespan will be a lot less and why the performance will only be a bit less. remember the CCA testing tool is your friend here in checking if its ok to buy and irregardless recond or new, price is the main factor. To me the risk of recond batteries makes them only worth half of a new battery. If the metals are too thin and you discharge the battery too much at one time, could be permanently dead. Also rust is a factor here.
5) Yes but its mostly computing, i do intend to update the information layout and add more content soon but my next few articles are going to be on IT related stuff as thats the most recent stuff i'm writing. I'll definitely do a youtube on the battery and write up but theres a queue. Just search for my forum name, its a well known alias in some places.
For instance system-error-message.com . I'm still working on my site as i migrated it out of shared hosting (being broke) and onto my own clustered low powered hardware. Still got a few things to work out for the site to be working well other than just working.
6). as long as theres metal and electrolytes, the battery lives. The thicker the metal, the longer before the metal disappears or becomes completely unusable. You can replenish the electrolyte easy but the metals require full disassembly. The thinner the metal, the faster it dissolves, the faster battery dies.
7) battery being in the boot, away from heat does help its lifespan. Lead acid is acid, it dissolves metal slowly, heat helps speed up the process.
8) They do, heck even i did manage to repair the old AGM battery, but because of corrosion and shorted cells it achieved 8V which is its new fully charged state due to it now being 4 cells only (4x2V is 8V), 6x2v is 12V. I do not intend to create a business of repairing batteries, the charger is cheap enough that you can do it yourself. foxsfur (not sure of exact spelling) is one inexpensive brand that you can buy that supports charging different 12v/24v batteries and repairing lead acid ones as well. If the pulsing doesn't work, after the process finishes, you proceed to replenish electrolyte then charge. Many youtuber testing did find repairing to work half the time. Good quality batteries work well with this because all it does is clear the metal plates from the crystalisation from the sulphur bonding to the plates and covering them, breaking the circuit. But sulphur does have its place in the voltage chart so the right voltage does cause it to become an ion again.
That seller is unscrupulous. A recond/repaired battery will never be as good as new. My car has space for 2 batteries and new batteries can be cheap as well. It was never the intended purpose but the metal you put the battery on is big, only the side metal holding the battery broke away. Duct tape does a good job here though. you can use recond battery as backup batteries, UPS, emergencies, etc. For instance theres a lead acid based starter instead of the lithium ones. Those are bulky and what breakdown services use when you're stranded because you left the lights on and use lead acid batteries. Recond/repaired batteries fit fine here, or in your boot as an emergency, or even as a UPS battery if your old one dies. Thats why i said their value is half, They're no good anymore for use in the car because even with the CCA rating the capacity isn't there for the design of the car to operate a certain amount of time if the alternator fails. Battery size choice for cars is based on the engine CCA needed, starter motor used and how long to run the car in event of alt fail. If alt fail + battery fail, then car dies which is why the accident is due to both battery run out of juice and alternator fail first. A lot of times an alternator failure is not shown on the car (battery light doesn't turn on). Also a rush job and not properly connecting terminals and isolating them can cause said accident where car dies. Happened to me after a bad pot hole, some streets later the battery slit forward and shorted against the hood. Car totally died but it was some inroad and i stopped just right infront of a TNB substation. Ironic to stop infront of TNB for an electrical issue. There was an explosion at the battery terminal, the battery still had some juice but it was completely useless in starting the car. I had a powerbank starter so after i got the connector off the hood, i started the car and drove off, went to mechanic next day and got another incoe battery. These incoe batteries are tough but only for the see through ones, they can con you with the non see through ones.
If you wanna downsize your lead acid battery to start the car you can, but make sure you have another power pack to help run the accessories. starting the engine needs current, and CCA rating doesnt care about capacity, so you can make a battery with capacitor design for that current, but have little to no capacity to run stuff. In my opinion a dual battery design would be a lot better, mixing a lead acid battery with another battery (not lithium) could pretty much do a lot of good for start stop engine feature and not having to keep the engine idling. Pulsing the battery restores the CCA rating, and maybe some of the capacity, and this is one way to keep your battery long lived if you do it every year while its still kicking. Pulsing is no myth, it does work but it can't do miracles. If a battery is fully dead, voltage won't help. If the metal plates are covered which does happen after enough usage, this helps. If you take care of your battery from things like heat, maintaining it and keeping it fully charged, pulsing it every year, it will last long. Not much you can do with maintenance on a sealed battery other than charging and pulsing. Pulsing too much is bad for the battery too as it does not like overcharging (or for lead acid, the electrolyte doesn't like high voltages). Once a year is the max i would do to keep it strong. Thats why its important to turn on your car engine every week at least to operating temperature for the engine, and for battery to fully charge. You can also get voltmeters to stick into your car's electrical sockets. If it can't go up to 14.2-14.5V you should check your alternator (it takes time to charge the battery but at full charge you should see said voltages).
QUOTE(alexei @ Mar 25 2022, 01:08 PM)
System Error MessageI have different understanding from what you're saying about AGM:
- if sealed vs non-sealed price is close, the sealed is not AGM, as there would be the useless battery health indicator on top like this.

- AGM are very expensive, and cannot use the health indicator
- backup battery for alarm, those black colored ones, are mostly AGM this I believe is true
Thanks for sharing your battery invention. Hope it works.
As long as the electrolyte doesn't electrolyse away at 4V then it should work as intended, to have a battery that can be both safe and abused with half the materials reused.
This post has been edited by System Error Message: Mar 25 2022, 11:10 PM