All those ports are fairly standard for a power station in this class, and similar to what was on the previous model—although the 140-W USB port is new and very nice to have. Where the new Yeti 1500 shines is the 12-V charging options, which include a high-power 12-V port capable of 30 amp output. That's enough for most van and overlanding vehicle power systems, meaning you can tie the Yeti 1500 directly to your house power 12-V distribution panel. There's also standard Anderson connector outputs and a cigarette-lighter-style outlet available. There are three ways to charge the Yeti 1500. There's AC wall power, which can charge at up to 1,800 watts, getting you from 0 to 100 percent in just over an hour. (There's a switch to slow this down to 1,500 W if you're plugged into a campground pole, which typically can't handle the full draw.) You can also hook the Yeti up to a max of 900 watts of solar panels. There are both 8-mm inputs and HPP inputs for Goal Zero solar panels .…