6 Amp 12 Volt Automatic Battery Charger, Less Than Half Price £8.99 was £29.99 @ Argos - HotUKDeals
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Suitable for both diesel and petrol engines from 1200cc to 1800cc.
For use with 12 volt lead acid car batteries between 20 - 70Ah.
Standard battery charge time from flat 70Ah - 18hours.
Short circuit protection, reverse polarity protection and built-in auto reset breaker for overload protection.
Full charge automatic switching to maintenance mode.
LED showing charging status and reverse polarity warning.
Charging rates 6 amps RMS.
Conforms to CE safety regulations.
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All Comments

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Comments/page:
#1
What has the car engine size got to do with this? If I have a 60Ah battery in my 3-litre car I expect this to charge it.
Great deal.
#2
Dont think anyone would by one at the full price,paid £12.50 for mine a few months ago
#3
Thanks - picked one of these up today
#4
nbuuifx
Thanks - picked one of these up today
What size is car's engine & is it any good?
#5
A daft question, do I need to take the battery out from the car to charge it. I suppose this unit draws power from the mains and should be placed near a wall mains socket.
#6
I haven't tried it yet but the cars engine has no relevance to the charger,
I have a 4.6 litre V8 Range Rover and am certain that this charger will charge it without any problems, I will report back if I'm wrong.
#7
Brill find, H&R added
banned#8
kaku_lala
A daft question, do I need to take the battery out from the car to charge it. I suppose this unit draws power from the mains and should be placed near a wall mains socket.


No. The days of disconnecting batteries whilst charging have long gone. This device, like all modern chargers has a regulated power supply and will not damage any of the car's electronics.

Just think what your alternator does as you drive along - it charges the battery up quite happily as there is a voltage regulator in the circuit to prevent damage to other components. This charger works in a similar way.
#9
[quote=kaku_lala]A daft question, do I need to take the battery out from the car to charge it. I suppose this unit draws power from the mains and should be placed near a wall mains socket.[/quote

The battery should be taken out, but don't forget to make a note of any security coded car radio numbers before doing so.

As with ALL battery chargers they shouldn't be left on while unattended or overnight, and should be placed in a well ventilated place, and if possible the filler caps should be taken off whilst it's charging. Also make sure it's topped with de-ionised/distilled water.

BTW good price, but as usual their RRP is way over the top.

Edited By: Hancock on Jul 27, 2010 22:45: extra info
#10
Just unpacked it and had a proper look, the charger is physically quite small - but neat,

On reading the instruction manual it states that the battery MUST be removed from the vehicle before charging. Also the leads are quite short and it's not suitable for outdoor use so unless you park in the garage and have a socket very close then you'd be better to remove (however I agree that in most cases you'd be alright to leave it in place - I expect they're just trying to cover their backs)

Also just to note it says it is 6ah RMS, the manual gives the proper figure (rather than the RMS) which is 4ah - so really it's a 4ah charger, so in rough terms it should put 4ah into the battery every hour that it's on, so a 40ah battery should take somewhere close to 10 hours to charge, an 80ah battery should be more like 20 hours.

I've just put the range rover battery on it to test it - the RR battery is 75ah, it charged for a few minutes then went to fully charged - I would expect this as I'd just taken it off another charger.

Hope this helps someone else
#11
wessie
kaku_lala
A daft question, do I need to take the battery out from the car to charge it. I suppose this unit draws power from the mains and should be placed near a wall mains socket.


No. The days of disconnecting batteries whilst charging have long gone. This device, like all modern chargers has a regulated power supply and will not damage any of the car's electronics.

Just think what your alternator does as you drive along - it charges the battery up quite happily as there is a voltage regulator in the circuit to prevent damage to other components. This charger works in a similar way.


you must disconnect both red and black battery terminals, great damage can be done to the ECU, not worth the risk.
#12
Hancock
you must disconnect both red and black battery terminals, great damage can be done to the ECU, not worth the risk.


Rubbish. Just the manufacturer covering their backs in case some idiot tries to connect it the wrong way round, leaves it on for days or something equally stupid.

So what happens when a car gets a booster battery connected to start it with a low / flat battery? Crikey, that'll blow up your ECU then????? I don't think so.

ECU's have voltage stabilisers built in and will handle up to 16 volts at least. Disconnect the battery and you'll lose all your engine tuning information so your car will run like c r a p for quite a few miles, and you'll lose your radio codes, etc.

Leave the battery connected.
#13
no , its true , disconnect battery as chargers do give up to 15+ volts and not DC (well its not AC , but its pulsing current). although unlikely to damage any healthy car , cars needing to be charged (duff regulator/alternators , batterys etc.) often arent in that catagory and will be the ones likely to get ecu damage - which on my car would be nearly £2k just for the engine ecu

also above , battery boosters are a nice stable 12-13 volts. not the same issue.

Edited By: beavisrules on Jul 27, 2010 23:38: edit
#14
Pretty sure this is a duplicate...?
#15
I have been charging car batteries in situ for years and never had a problem.
#16
Hancock
The battery should be taken out, but don't forget to make a note of any security coded car radio numbers before doing so.

As with ALL battery chargers they shouldn't be left on while unattended or overnight, and should be placed in a well ventilated place, and if possible the filler caps should be taken off whilst it's charging. Also make sure it's topped with de-ionised/distilled water.


Are you from the past? :D
#17
could do with this seeing as the car in the garage I haven't started for 6 months had a flat battery yesterday when I tried!!!
#18
None in stock around Sheffield
#19
qazitory
None in stock around Sheffield


or Belfast
#20
beavisrules
no , its true , disconnect battery

There are obviously two opposing camps here...those that have been working on cars and charging batteries in-situ for many many years without any issues whatsoever, and those who are quoting horror stories from snippets of knowledge passed down from their daddies, read on wikipedia, etc, etc,.

So I agree to disagree and for those who still insist that you will damage your ECU by putting a battery charger onto a battery in a car, why not just pull the main ECU fuse from your fusebox...much easier.
#21
bigsky
Hancock
The battery should be taken out, but don't forget to make a note of any security coded car radio numbers before doing so.

As with ALL battery chargers they shouldn't be left on while unattended or overnight, and should be placed in a well ventilated place, and if possible the filler caps should be taken off whilst it's charging. Also make sure it's topped with de-ionised/distilled water.


Are you from the past? :D


Don't be stupid - as with any battery chargers NEVER leave them unattended.,
http://answers.halfords.com/answers/4028/product/576280/questions.htm


Edited By: Hancock on Jul 28, 2010 18:52: .
Edited By: Hancock on Jul 28, 2010 18:55: link.
#22
Hancock
Don't be stupid - as with any battery chargers NEVER leave them unattended.


I've got so many better things to do with my life than watch a battery charge!

The one safety issue that must be emphasised when charging car batteries is always ensure the charger is switched off when disconnecting it from the battery terminals. A small spark can ignite the gases produced during the charging process and the battery can explode.

But as for leaving it unattended....that's exactly what I do, all the time ;-)

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