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18th February 2019, 08:24 | #21 |
Posted a thing or two
Jaguar S-Type R Audi A5 Sportback Join Date: May 2012
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I bought one last week just in case i ever need one. It may never come out tbe packaging but you never know. Im sure it will do the job if called upon. The 2 ton trolley Jack for £19.99 went in the basket too and is keeping the battery charger company in the shed.
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18th February 2019, 09:02 | #22 | |
Posted a thing or two
Rover 75 Saloon Join Date: Apr 2007
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Quote:
I bought a cheap (£24.99 at the time) Halfords battery charger and maintainer about 20 years ago. It's charged all manner of batteries in that time including the AGM item in my Harley, and many from a very low state of charge. Yes, you may well get additional "quality" from your charger, but the service my cheap Halfords item has given me is absolutely adequate for my needs. If I had bought the same item as you, I would need to live to 160 years old for it to be worth the difference in price. Do you think your charger will last 140 years? We can poo poo the OP's choice, or come to the logical conclusion that the item he's bought might just be perfectly adequate for his needs.
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18th February 2019, 09:11 | #23 | |
incurable Rover addict
Rover 75 Saloon V6 2.5 1999 - Rover 25 1.4 2002 - Rover 214i cab 1994 - Rover P5b coupe 1968 Join Date: Sep 2017
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Quote:
Time will tell us.
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Rover 75 V6 2.5 Auto Connie born 1 July 1999, 24 kOhms resistor, 10 kOhms manual starter, full E85, modified airbox, full derestricted SS exhaust line, power & torque remap -> 202 bhp
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18th February 2019, 09:12 | #24 |
This is my second home
Rover 75CDT, Jaguar XF-S 3.0V6, V'xhall Omega V6 Estate, Twintop 1.8VVT, Astra Estate and Corsa 1.2 Join Date: Dec 2007
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Surely, Ross, we Rover drivers think beyond "adequate" and it is the desire for quality that lifts us above the rest - the infidels!
Note that no one poo poo'd the OP's choice. He asked a question and it was answered without any judgement by anyone. Although it does sounds as if your charger is s***. |
18th February 2019, 09:51 | #25 |
Gets stuck in
75 saloon 2.0 diesel Join Date: Feb 2016
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Hmmmmmm....different charging regimes or wet lead acid v AGM? Does your alternator miraculously identify the battery is AGM and therefore changes its output to suit?
Heat nd gassification kill AGMs. The 2 normally go hand in hand. But they are fairly robust. Iv Ben running over 2500ah solar AGM bank to years and never had a problem. ( bugga! Shouldn't of said that ) |
18th February 2019, 09:58 | #26 |
Posted a thing or two
Rover 75 Tourer CDT Auto. Join Date: Oct 2011
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Well, gentlemen, I am the OP and seem to have opened a right can of worms, but I am glad it has opened a good open debate.
My old (Halfords) battery charger has served me well for around 15 years and is still fine. I now have a car with an AGM battery and recently bought my wife a car with a EFB battery, so I am concerned that my current charger was not suitable. I wrote to the HELP pages of CAR MECHANICS magazine who replied that I needed a charger with micro-processor control, and actually said that the Clarke CB03-12 at £29.99 from Machine Mart would be suitable. (I am not sure if it is, as it is rated up to 45AH batteries and not the 95 AH I need). The same afternoon I saw the Aldi charger that we are speaking about. It says it has micro-processor control and suitable for AGM batteries, and as it was the last one on the shelf I decided there was not a lot to lose (impulse buy, actually). I actually agree with a lot of the comments against the Aldi charger as I am normally the first to buy quality items for my cars (always sticking to Michelin tyres and Bosch batteries as they have served me well). This is why I invited comments before trying the charger on my AGM battery. The charger seemed to work fine on my already charged spare lead-acid battery. I tried it on my wife's EFB yesterday afternoon but after several hours it was still not showing fully charged and I had to abandon the experiment as the car was needed (and still is). So, the jury is still out and I have no idea if I will trust the Aldi charger on the AGM battery in my BMW 520d. The batteries on these start/stop cars are an absolute fortune. I still look forward to reading any more suggestions/comments/advice and thank everyone for their comments up to now. Last edited by tourer; 18th February 2019 at 10:00.. |
18th February 2019, 10:02 | #27 | |
This is my second home
Rover 75CDT, Jaguar XF-S 3.0V6, V'xhall Omega V6 Estate, Twintop 1.8VVT, Astra Estate and Corsa 1.2 Join Date: Dec 2007
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Quote:
The answer to your question is yes - modern alternators are very sophisticated. This is why you should not replace a wet battery with an AGM thinking that it is a drop-in replacement because of the same physical size/connections. Have you ever wondered why modern cars need to be calibrated to the installed battery? https://batteryuniversity.com/learn/..._glass_mat_agm |
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18th February 2019, 10:23 | #28 | |
Gets stuck in
75 saloon 2.0 diesel Join Date: Feb 2016
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Quote:
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18th February 2019, 12:40 | #29 | |
This is my second home
R75 Saloon. Join Date: Feb 2009
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And for you other folk.-----I have an AGM battery as standard on my motor bike. It's a small battery compared to the batteries on cars. However the charge rate at the battery terminals when the engine is running shows 14.4 volts. The first battery, being charged at this voltage, lasted EIGHT years. The current one at the moment is going strong at two years. How does this equate with the AGM having to be charged delicately with a special charger ??? PS. I know, personally, people buying various items at a high price because, they tell me, the item MUST be of better quality. -- There's nowt as queer as folk.-- |
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18th February 2019, 13:30 | #30 |
This is my second home
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I have one of the Aldi CTEK copies which are amazing for the price. IIRC someone did a tear down on one and reported on the forum. And it wasn't all bad news. I don't think I'd trust to have it being shaken and knocked about a lot: Mine is fixed to the garage wall with a lead adapted to a trailing socket from the bike and it works a treat for that. It also charges car batteries (and helps recover them) when using some Croc clips. I'll be replacing the bike battery with an AGM soon and will (if I remember to) report back on my findings on charge rate etc when I do.
N.B. The current bike battery is ancient and was on the bike when I purchased it 4 years ago. And anyone knowing bikes will also know that the batteries get a much harder time in bike with heat and vibration then they do in the majority of cars.
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Need a T4 ?: T4 Owners Map thanks to Stevestrat ( use at your own risk) Where?: https://en.wikipedia.org/wiki/Tanelorn Mods/Retrofits: PCV vortex 'filter'; bluetooth; inline thermostat; reversing sensors; plenum spyhole ; headlamp washers ; Diy mp3 player replacing CD multichanger; FBH with remote; Headlamp washers; black/chrome front grille, rear blind; Xenon projectors To do: puddle lights; 2 Din cd/nav to fit; boot release button |
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