How to wire LED Spotlights

I recently found garyp’s thread where he installed LED spotlights to his atv’s handlebars, I thought it was a good idea so I decided to do the same on my Honda Trx250TM. I have installed the lights but now I have the job of wiring them up. I have viewed a few threads and it seems the easiest way is to wire them straight to your battery, can anyone point me in the right direction on how to do this? do I need a relay? I attached garyps photo, my lights are the same as that.

thanks in advance 🙂

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