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7 minutes ago, Dr_Ju_ju said:

And the required specification for the cable is ???  i.e. voltage\current capacity, flexibility, diameter etc ?? 

12V/3A max - should be flexible, ideally coiled.

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1 minute ago, johninderby said:

Sorry guys, I assumed too much. The cable should be male to male 2.1mm 5.5mm reverse polarity (centre positive).

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10 minutes ago, johninderby said:

Think this is the one.

https://www.firstlightoptics.com/astronomy-cables-leads-accessories/lynx-astro-silicone-power-cable-21mm-dc-jack-to-25mm-dc-jack.html

Can’t find the specs for the output of ypur battery but would expect it to be centre positive.

Hmm....I think it's this one : https://www.firstlightoptics.com/astronomy-cables-leads-accessories/lynx-astro-silicone-power-cable-21mm-dc-jack-to-21mm-dc-jack-with-coupler.html ... no ... actually this one : https://www.firstlightoptics.com/astronomy-cables-leads-accessories/lynx-astro-silicone-power-cable-21mm-dc-jack-to-21mm-dc-jack.html

Thanks for pointing me to the right direction! Ordering now.

8 minutes ago, Dr_Ju_ju said:

Then personally, I'd get some of this https://www.ebay.co.uk/itm/2-Core-EWK-Silicone-Rubber-DC-Wiring-Cable-4-amp-2x0-25mm-Flexible-LED-Solar/163699838807? and suitable connectors, and make up my own ....

Unfortunately I don't have the tools for this and it wouldn't be a proper job. The last time I did any wiring like this is 25 years ago :)

 

Edited by heliumstar
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1 hour ago, david_taurus83 said:

19 quid for a cable?!

What's wrong with these?

 

Screenshot_20200601-191710_eBay.jpg

As John said, quality. I don't mind cheap ebay products. I bought plenty and they are satisfactory. In theory those Lynx cables should be of higher quality so why not. I don't mind spending a little more for a better quality promise. Also, orange is cool :D

Edited by heliumstar
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1 hour ago, heliumstar said:

As John said, quality. I don't mind cheap ebay products. I bought plenty and they are satisfactory. In theory those Lynx cables should be of higher quality so why not. I don't mind spending a little more for a better quality promise. Also, orange is cool :D

More like Astro Tax to me! I'm that tight I use those cheap solderless connectors and make my own cable!

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