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Lidl and Aldi 'jump start' packs.

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Dave Plowman (News)

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Nov 23, 2016, 12:07:56 PM11/23/16
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Notice both of these have Lithium car jump start packs on offer over the
next few days.

***************

Lidl 8000 mA.hr £34.99

ULTIMATE SPEED Portable Jump Starter with Powerbank1
£34.99

8000 mA.hr

2-in-1 jump starter for cars and powerful power bank for smartphones,
tablets etc With the latest Li-Ion technology and powerful 8000mAh
LiFePO4 battery Particularly long lifespan with high cycle stability
and up to 90% usable battery capacity Protected against reverse
polarity, short circuit and overload Direct start without lengthy
recharging with a high current pulse (approx. 200A/12V) With 2 USB
ports,1 micro-USB port and integrated LED torch Includes charger, jump
leads and micro-USB charging cable

***************


Aldi 7,500 mAh £49.99


Powerful and easy to use, this Lithium Car Jump Starter makes it easy for
you to get your car started. Its compact size also means it's easy to keep
it to hand in case of emergency.
Contents
1 x 12V battery connector leads
1 x 12V charging plug
1 x 12V USB charging cable
User manual
Features
Suitable for any petrol engines up to 3L and diesel engines up to 2L
2.4 amp USB socket for charging
Includes charging plug, connector leads and user manual
Safety feature included to protect against short circuiting
2.1 amp output socket for charging phones, tablets
Recharges from 12V vehicle socket or USB

***************

Wonder which is better?

--
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Dave Plowman da...@davenoise.co.uk London SW
To e-mail, change noise into sound.

Ian Jackson

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Nov 23, 2016, 6:12:43 PM11/23/16
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In message <55e39d7...@davenoise.co.uk>, "Dave Plowman (News)"
<da...@davenoise.co.uk> writes
I wouldn't trust anything supplying loads of amps - but specced in units
of mA or mAh (presumably units intended to impress the gullible).
--
Ian

Robin

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Nov 23, 2016, 6:52:49 PM11/23/16
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On 23/11/2016 23:12, Ian Jackson wrote:
<snip


> I wouldn't trust anything supplying loads of amps - but specced in units
> of mA or mAh (presumably units intended to impress the gullible).

I don't see it as a problem when:

a. mAh is a (if not the) common metric for a portable "powerbanks" for
charging mobile phones, tablets etc;

b. high current for a few seconds is often enough to help start a car so
just a few hundreds of mAh may well suffice.



--
Robin
reply-to address is (intended to be) valid

PeterC

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Nov 24, 2016, 4:06:30 AM11/24/16
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On Wed, 23 Nov 2016 23:52:46 +0000, Robin wrote:

> On 23/11/2016 23:12, Ian Jackson wrote:
> <snip
>
>> I wouldn't trust anything supplying loads of amps - but specced in units
>> of mA or mAh (presumably units intended to impress the gullible).
>
> I don't see it as a problem when:
>
> a. mAh is a (if not the) common metric for a portable "powerbanks" for
> charging mobile phones, tablets etc;
>
> b. high current for a few seconds is often enough to help start a car so
> just a few hundreds of mAh may well suffice.

What the hell's the point in saying 'thousnds of mA'?. It's just 10-^3x10^3.
Also, if a cell is rated at 2500mAh I expect it to be within +-10mAh under
real-world use; if it's 2.5Ah I'd accept +-100mAh.
Precision exceeding accuracy yet again.
--
Peter.
The gods will stay away
whilst religions hold sway

Whittler Kev

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Nov 24, 2016, 8:17:07 AM11/24/16
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To me the specs on the Lidls one look better but I can't see how it
recharges? Is it USB the same? If so it may take a long time also
...£15 cheaper




--
Whittler Kev

newshound

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Nov 24, 2016, 8:37:56 AM11/24/16
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They are designed to deliver hundreds of amps for a few seconds. mAh
just tends to be the units normally quoted for (physically) small batteries.

David

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Nov 24, 2016, 8:44:27 AM11/24/16
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Presumably 8 amp hour battery?
Minuscule compared to the normal car batteries.
I wonder what the maximum discharge rate is without melting something?
Unreliable sources suggest that a starter motor requires between 100 and
250 Amps.

Hmmm....8 Amps for an hour would be 480 Amps for a minute? So potentially
240 Amps for a minute to discharge to 50%. Or cranking a big starter motor
for half a minute?

Then again this doesn't feel right. Looking up the battery for my Volvo
850 it is 73 Ah with a cold crank Amps rating of 680. This seems orders of
magnitude greater than the Aldidl kit.

Cheers


Dave R


--
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Ian Jackson

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Nov 24, 2016, 8:45:32 AM11/24/16
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In message <yPSdnWwkxMizcKvF...@brightview.co.uk>,
newshound <news...@stevejqr.plus.com> writes
Well.....
Er......
Yes.
That's why it's plain daft to quote big-battery specs in tiny units!
--
Ian

Ian Jackson

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Nov 24, 2016, 9:12:27 AM11/24/16
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In message <e9o95o...@mid.individual.net>, David
<wib...@btinternet.com> writes
>On Wed, 23 Nov 2016 17:07:43 +0000, Dave Plowman (News) wrote:

>> ***************
>>
>> Wonder which is better?
>
>Presumably 8 amp hour battery?
>Minuscule compared to the normal car batteries.

Unless things have changed since I were a lad, until recently most car
batteries have been around 40Ah.

>I wonder what the maximum discharge rate is without melting something?
>Unreliable sources suggest that a starter motor requires between 100 and
>250 Amps.
>
>Hmmm....8 Amps for an hour would be 480 Amps for a minute? So potentially
>240 Amps for a minute to discharge to 50%. Or cranking a big starter motor
>for half a minute?

The Ah rate isn't simply the product of current x time. It normally
falls at higher currents. 8Ah could be 1A for 8h, but at 8A it might
only last half an hour.
>
>Then again this doesn't feel right. Looking up the battery for my Volvo
>850 it is 73

That's a biggun! I once had a 70Ah battery in my 1953 Ford Prefect - but
that was 6V, not 12. It was, of course, similar in size to a 35Ah 12V
battery.

> Ah with a cold crank Amps rating of 680. This seems orders of
>magnitude greater than the Aldidl kit.
>
I have always assumed that these jump start things work by first putting
some charge into the flat battery - and then the no-longer-flat battery
does most of the cranking work.
>
>

--
Ian

newshound

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Nov 24, 2016, 9:55:33 AM11/24/16
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Does it matter, if you know how do divide by 1000? One of mine is 8000
mAh, which tells me it eight times the capacity of my phone.

newshound

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Nov 24, 2016, 10:06:59 AM11/24/16
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My little Annke 8000 mAh battery is labelled starting current 180A, peak
current 300A. So I probably wouldn't try to start a Volvo 850 with it,
especially under cold conditions. But I suspect it would be fine for my
little 1.3 Suzuki Carry three cylinder at ordinary temperatures.

All you need is a little common sense. If it won't crank at all when
connected firmly, stop immediately. If it cranks at a reasonably speed
but hasn't started in about three seconds, stop to let the battery cool
down before trying again. I think some of them have some internal
protection. I expect the Aldi-Lidl stuff comes with good instructions.


The Natural Philosopher

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Nov 24, 2016, 10:29:00 AM11/24/16
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Well I have had reasonably experienced in the certainly high tens of
amps with lithium batteries in my time as model plane designer. IN
general lithiums can just about be discharged at 30 times the hourly
rate, if designed for that. So 8Ah would give you 240A for 2 minutes.

Certainly enough to start a car that *just* has a flat battery.


--
If I had all the money I've spent on drink...
..I'd spend it on drink.

Sir Henry (at Rawlinson's End)

The Natural Philosopher

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Nov 24, 2016, 10:32:12 AM11/24/16
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No, as I said in the previous post LIPO of up to 30C discharge rates (2
minutes to flat) are now commonplace. And 'cold cranking amps'
represents the worst that battery will do ...in reality cold amps its
probably no more than 300.

You CAN overdrive lithium a bit, it wont make them last long, but I have
seen model planes up to 5 times over current before the battery went up
in flames.



>
> Cheers
>
>
> Dave R
>
>


--
You can get much farther with a kind word and a gun than you can with a
kind word alone.

Al Capone


The Natural Philosopher

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Nov 24, 2016, 10:34:10 AM11/24/16
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Its always been that way for LIPO.

because they started out as 800mAh etc etc

These super capacity batteries are relatively new..coming out of the
hand tool market I would guess. And the model market which has always
been used as a test area for new battery types.

ARW

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Nov 26, 2016, 12:53:08 PM11/26/16
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On 23/11/2016 17:07, Dave Plowman (News) wrote:
> Notice both of these have Lithium car jump start packs on offer over the
> next few days.

>
> Wonder which is better?
>

Can you buty anything these days that does not have a USB socket:-)?

The battery on my van (parked up ATM) got a good old 4A trickle charge
last week from a clapped out charger.

--
Adam

Munch

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Nov 26, 2016, 2:58:06 PM11/26/16
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After serious thinking newshound wrote :
The one I bought last week says in the instructions that if the car
hasn't fired in four seconds, stop cranking and let the battery pack
rest for a minute before trying again. The instructions also say that
it's suitable for petrol cars of up to 5 litre and diesel cars up to 3
litre.

Terry

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Dec 3, 2018, 2:14:04 PM12/3/18
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replying to The Natural Philosopher, Terry wrote:
your lead acid car battery sags it's voltage drastically when the starter is
running and upset the fuel pump. Lipo Jump starters like model airplane
batteries don't sag at high currents and probably give more volts for a minute
or so to help the engine management system to provide petrol ??

--
for full context, visit https://www.homeownershub.com/uk-diy/lidl-and-aldi-jump-start-packs-1171771-.htm


dave

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Jan 23, 2019, 9:44:04 AM1/23/19
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replying to Dave Plowman (News), dave wrote:
i know this is a pretty old thread but it might pop up on a search for someone
like it did for me, trying to find one of these gadgets for my sister. I have
the lidl ultimate speed booster pack, have had it for a couple of years now
and only had to charge it less often than ive had to use it, the battery stays
fully charged for months. its started a 2.2 diesel van no bother, and numerous
fault finding starts on her car without losing a bar on the battery gauge. it
was so easy to use she wants one now hence me looking. the actual starting is
done by a little box (a capacitor?) with the croc clips built in that you plug
into the side and charge up. it takes about 3 seconds, lets you know when its
ready and wont work if you've connected it wrong, as I said, very easy to use.
theres a bright torch built in too.
charges quickly from the mains and can be charged in the car after use but I
don't know how long that would take.

kevindo...@gmail.com

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Apr 18, 2019, 8:55:46 AM4/18/19
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TOJ

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Apr 18, 2019, 2:38:03 PM4/18/19
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On Thu, 18 Apr 2019 05:55:43 -0700, kevindonegan719 wrote:

> On Wednesday, November 23, 2016 at 5:07:56 PM UTC, Dave Plowman (News)

and you've re-posted a 2 and a half year old post because?


--
TOJ.

tabb...@gmail.com

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Apr 18, 2019, 4:03:45 PM4/18/19
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On Thursday, 18 April 2019 13:55:46 UTC+1, kevindo...@gmail.com wrote:

You need to be a whole lot clearer about what's happening. We can't read your mind.


NT

Brian Gaff

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Apr 18, 2019, 4:11:43 PM4/18/19
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2016?
Brian

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<kevindo...@gmail.com> wrote in message
news:6cf0fa7f-c806-416c...@googlegroups.com...

Brian Gaff

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Apr 18, 2019, 4:12:27 PM4/18/19
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It was lonely?
Brian

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jur...@gmail.com

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Feb 3, 2020, 12:09:31 PM2/3/20
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Fucking idiot

Rod Speed

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Feb 3, 2020, 12:32:38 PM2/3/20
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<jur...@gmail.com> wrote

> Fucking idiot

Your sig is sposed to have a line with just -- on it in front of it.

Peeler

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Feb 3, 2020, 12:42:08 PM2/3/20
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On Tue, 4 Feb 2020 04:32:27 +1100, cantankerous trolling geezer Rodent
Speed, the auto-contradicting senile sociopath, blabbered, again:

<FLUSH the sleepless trolling senile Arsetralian asshole's latest trollshit>

04:32??? And STILL unable to sleep, senile pest? LOL

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cretin from Oz:
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George Miles

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Feb 7, 2020, 8:00:28 AM2/7/20
to
looks good,
it should keep my phone charged if I go camping for a week,
https://www.youtube.com/watch?v=OElWBktfUSg
but when is it in Lidl?
https://www.lidl.co.uk/en/c/car-essentials/c1356/w2

[george]

sintv

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Feb 7, 2020, 2:57:21 PM2/7/20
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Tim+

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Feb 7, 2020, 3:26:00 PM2/7/20
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Let me see, an “Amazon choice” from a “no name” maker that no one has ever
heard of before with a handful of glowing reviews. Think I’ll give it a
swerve.

Tim

--
Please don't feed the trolls

sintv

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Feb 8, 2020, 3:03:55 PM2/8/20
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Ok I see your no name point but the actual one I have called RoyPow, doesnt seem to be on Amazons site but looks more or less the same as the Suaoki one. Probably from the same Chinese warehouse. I got mine 2016 and its started my vehicles about 6 times no problem. Cheaper price now as well.

chrisp...@gmail.com

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Feb 9, 2020, 4:57:04 AM2/9/20
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sintv,

How long does it take to charge on the mains?

Theo

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Feb 10, 2020, 3:36:26 AM2/10/20
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I just happened to have the listing open for a:
"Tecsun PL880 Portable Digital PLL Dual Conversion AM/FM, Longwave &
Shortwave Radio with SSB (Single Side Band) Reception"

which it helpfully tells me is 'Amazon choice for "tecsun pl-880" '.

So if anyone was still unsure, it proves the badge is utterly meaningless.

Theo

sintv

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Feb 14, 2020, 3:38:14 PM2/14/20
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On Sunday, 9 February 2020 09:57:04 UTC, chrisp...@gmail.com wrote:
> sintv,
>
> How long does it take to charge on the mains?

Depends how flat it is. Ive only had to top mine up after a few jump starts but I think its about 8 hrs if completely flat. Mine charges from 2 mini plugs (supplied)

Victor

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Nov 1, 2021, 11:45:06 AM11/1/21
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The last booster pack i had was smashed and I used the battery for a 1 litre car for 7 years that had many stop starts in its travels .

--
For full context, visit https://www.homeownershub.com/uk-diy/lidl-and-aldi-jump-start-packs-1171771-.htm

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