Watt hour is pretty simple. In simple terms, that Loki's 46.2 W/h battery would last 1 hr if the power draw rate was 46.2 watts, or if you've done your best to get it to sip power and the machine is using only 9 watts, the battery life would last a little over 5 hours (46.2/9=5.13). I find watt hour much more useful than milliamp hour. To get watt hour, you multiply the amperage by the voltage. Milli is just metric for 1/1000, 1 amp = 1,000 milliamp. For comparison, the Nintendo Switch has a 3.7 volt 4,310 mAh battery. In watt/hr, that's roughly 16 W/h (4.31x3.7). The Steam deck is 7.7 volt 5,313 mAh battery, so nearly 41 Wh.
I hesitated with AYN because of their obvious shipping issues but I’m glad to see it’s not a scam I really didn’t wanna see them just fail. I love their form factor similar to the gpd win 4 true pocketable handhelds
I think a use case scenario people miss, is as an all-in-one docked PC. Dock it and it's a decent PC, that you can take with you. Personally the screen is to small for 1080P, but for some short term gaming on the bus or something.... it's great. And docked, it's great.
I run my steam deck with windows and I honestly prefer it. The performance is essentially the same (missing the native fsr sadly) and it opens up what you can do with it tremendously