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iFixit says the Switch 2 is even harder to repair than the original
(www.theverge.com)
This is a most excellent place for technology news and articles.
The steam deck has great battery life (better than my original switch by a lot) unless you're playing something super heavy, and it's so much more comfortable to hold that the bit of extra weight isn't that big a deal. I don't think I've touched my switch since I got a deck