How do you guys keep Xbox One S controller charged?

Hi,

I was just going to buy Xbox One S (budget won't permit X) and I realized that it's controller runs on AA Batteries. I was expecting it to be rechargeable via USB. How do you keep it charged?Also, would love to know about any good deals on Xbox One S going on in US right now that you know of?

Please help.

I didn't find the right solution from the Internet.

References:
https://www.theverge.com/2018/1/24/16927036/how-do-you-guys-keep-xbox-one-s-controller-charged
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Thanks