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ROY POW power pack gets the Roadster started ... #554562
18/01/19 05:57 PM
18/01/19 05:57 PM
Joined: Aug 2009
Posts: 600
Cheltenham - UK
D
dmh Offline OP
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dmh  Offline OP
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Joined: Aug 2009
Posts: 600
Cheltenham - UK
This might be well known to some - but very easy starting when battery flat.


David H
Re: ROY POW power pack gets the Roadster started ... [Re: dmh] #554584
18/01/19 07:48 PM
18/01/19 07:48 PM
Joined: May 2009
Posts: 3,631
Hill Head, Hampshire, Uk
Frank 4x4 Offline
Green & Grown Up
Frank 4x4  Offline
Green & Grown Up
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Joined: May 2009
Posts: 3,631
Hill Head, Hampshire, Uk
Hello David,
Did the battery recharge if it was flat? I have often wondered about these Gel Batteries?
Frank


http://franks4x4-solograndetour.blogspot.co.uk/
Combat Stress-http://www.justgiving.com/Roadster100
Re: ROY POW power pack gets the Roadster started ... [Re: dmh] #554616
18/01/19 10:19 PM
18/01/19 10:19 PM
Joined: Aug 2009
Posts: 600
Cheltenham - UK
D
dmh Offline OP
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dmh  Offline OP
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Joined: Aug 2009
Posts: 600
Cheltenham - UK
Frank - The battery was flat - Richard got one of the ROY POW chargers that started the car immediately - of course it needs a drive now to charge the battery.

Small enough to fit in the glove box - and great to carry around just in case you have a flat battery for whatever reason.

Cheers


David H
Re: ROY POW power pack gets the Roadster started ... [Re: dmh] #554653
19/01/19 09:17 AM
19/01/19 09:17 AM
Joined: Jan 2009
Posts: 4,371
H
howard Offline
Part of the Furniture
howard  Offline
Part of the Furniture
H

Joined: Jan 2009
Posts: 4,371
Originally Posted By dmh
Frank - The battery was flat - Richard got one of the ROY POW chargers that started the car immediately - of course it needs a drive now to charge the battery.

Small enough to fit in the glove box - and great to carry around just in case you have a flat battery for whatever reason.

Cheers


A drive wont charge the battery fully or anything like. Running the diesel in my boat where I have decent instrumentation unlike the car, shows that it takes a good 6 hours running or more to fully charge a battery. The alternmator rating is a maximum. It rarely if even reaches that level and rapidly falls off as the back emf of the battery rises. 2 hours in and you'll do well to be getting 10 amps out of a 60 amp alternator.

Did you not have any ECU issues with the car after allowing the battery to go flat?

I recommend Optimate or similar.

Re: ROY POW power pack gets the Roadster started ... [Re: dmh] #554665
19/01/19 10:15 AM
19/01/19 10:15 AM
Joined: Aug 2009
Posts: 600
Cheltenham - UK
D
dmh Offline OP
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dmh  Offline OP
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Joined: Aug 2009
Posts: 600
Cheltenham - UK
Thank you Howard for this technical input.

The Roadster is street parked these days and little Winter use kills the battery power. Couple this with no chance of trickle power supply in the street - and the ROY POW system is our way out of a flat battery pickle!

Shall see the car this weekend and will advise if there are any ECU issues.

Cheers


David H
Re: ROY POW power pack gets the Roadster started ... [Re: dmh] #554670
19/01/19 10:30 AM
19/01/19 10:30 AM
Joined: Jan 2007
Posts: 1,436
A
aerotaff Offline
Has a lot to Say!
aerotaff  Offline
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Joined: Jan 2007
Posts: 1,436
That sound's like a nice piece of kit for the Mog , are they really that good nearly bought one about a month back.

Em

Re: ROY POW power pack gets the Roadster started ... [Re: dmh] #554673
19/01/19 10:53 AM
19/01/19 10:53 AM
Joined: Jan 2007
Posts: 1,436
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aerotaff Offline
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Posts: 1,436
A mate called round last sunday in his three wheeler and after a few hours parked the battery refused to stutter.I pushed the bloody thing with two people in it on a slight downhill gradient for about a quarter of a mile before it caught. As soon as the clutch was dropped it came to a stand still, took me about an hour and a half to recover,wish we had one of these it could stop a HEART ATTACK.....

Em

Re: ROY POW power pack gets the Roadster started ... [Re: dmh] #554699
19/01/19 12:31 PM
19/01/19 12:31 PM
Joined: Aug 2011
Posts: 826
Aberdeenshire
E
Eddie Cairns Offline
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Eddie Cairns  Offline
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Joined: Aug 2011
Posts: 826
Aberdeenshire
There is not enough mass in the small car to overcome the cylinder compression.

Yes a power pck would be handy. I got a full sized one 4 years ago and it comes in handy every few months.

Give it a charge every six weeks.

Re: ROY POW power pack gets the Roadster started ... [Re: dmh] #554700
19/01/19 12:46 PM
19/01/19 12:46 PM
Joined: Mar 2009
Posts: 6,075
Hampshire
Alistair Offline
Smile, it confuses them
Alistair  Offline
Smile, it confuses them
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Joined: Mar 2009
Posts: 6,075
Hampshire
Originally Posted By dmh

The Roadster is street parked these days and little Winter use kills the battery power. Couple this with no chance of trickle power supply in the street - and the ROY POW system is our way out of a flat battery pickle!


Dave

SWMBO does not use her Mini as often these days and so the battery was getting flat being older as well. I bought a solar car panel battery charger. You need to run in a fused line to the battery if your cigarette lighter is not permanently live etc.

Example - https://www.amazon.co.uk/ALLPOWERS-Maintaner-Maintainer-Automobile-Motorcycle-18W/dp/B01N1OUIA3


Just time to burn a little more petrol before dinner.
Re: ROY POW power pack gets the Roadster started ... [Re: dmh] #554717
19/01/19 01:36 PM
19/01/19 01:36 PM
Joined: Aug 2009
Posts: 600
Cheltenham - UK
D
dmh Offline OP
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dmh  Offline OP
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Joined: Aug 2009
Posts: 600
Cheltenham - UK
Interesting Alistair - another bit of kit I didn't know existed!

Must try harder to get myself up to speed.

Thanks


David H
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