Zumo XT power cable

[lkraus]

Strip the outer insulation, unbraided the shielding wires and twist them together to splice and solder to the black lead. A multimeter will confirm that the XT uses the shield as the negative connection. The center wire is the positive, splice to the red lead. Be sure the powered side of the SAE connection uses the insulated socket for positive.

SAE connectors of this type most often carry 12 volts. Since your use only carries 5 volts, I would label it as such as reminder NOT to connect a 12 volt device.

[MotoChicken]

(reposting inline)

[danham]

...Be sure the powered side of the SAE connection uses the insulated socket for positive.

This is very important advice. Some SAE cables swap polarity, such as the alligator clip harness that comes with some battery tenders. You need a multimeter to make sure of polarity -- even a cheap one will do for this job. Getting it wrong will make the magic smoke come out of your device.

-dan

[MotoChicken]

SAE connectors of this type most often carry 12 volts. Since your use only carries 5 volts, I would label it as such as reminder NOT to connect a 12 volt device.

This is an excellent comment that I certainly could have overlooked, thank you for the recommendation!

Some SAE cables swap polarity, such as the alligator clip harness that comes with some battery tenders. You need a multimeter to make sure of polarity. Getting it wrong will make the magic smoke come out of your device.

I definitely want to avoid magic smoke, thanks Dan for this great advice also.

[MotoChicken]

I used Posi Lock connectors offset to minimise the profile.

Thank you for identifying the connectors you used, it’s been hard for me to find any other options besides SAE.

Would you be able to share a picture of your setup, including the connectors you used? I think they might be the “Posi-Tite” version, and I’d like to see what you mean by “offset”.

[raesewell]

Offset means that one wire is longer than the other so the posi locks don't sit side by side. No pictures available as it's all buttoned up and heat shrinked. I just use ordinary Posi Locks.

[colirv]

I've used the normal Posi Locks a few times - they work really well. I've not come across the Posi Tite in the UK. I'd track them down if I needed a waterproof connection.