One thing that I think took most Switch owners by surprise is just how quickly it burns through battery, particularly when you're used to gaming on an iPad which (depending on what you're playing) can last all (or most) of the day. Comparatively, the Nintendo Switch when playing Zelda lasts right around three hours on battery, which makes mobile marathon play sessions difficult. I've got a bunch of different USB batteries, but even the "high power" ones designed for charging iPads couldn't deliver enough power to the Switch to actively charge it while you're playing it. At best, they'll slow the rate that the Switch's internal battery discharges as the system itself uses more power than the external battery can provide. This was the case across the board, until USB PD batteries began hitting the market. External batteries like the Anker PowerCore+ 26800 PD are capable of delivering the full 18 watts the Switch needs, actually allowing you to charge and play at the same time. This 26,800 mAh battery backs over six times the capacity of the internal Switch battery, and I've yet to be able to hit the bottom of this battery in a single day before I can get back home and charge up both my Switch and the battery again... And I've had some marathon mobile play sessions. Last weekend it even had enough charge in it to take turns charging my Switch and a friend's switch as we played Mario Kart 8 all day. Also, being USB-C, if you've got a new-ish MacBook, this battery can ...