We have a cabelas vacuum sealer for two years you can’t go wrong with it. We vacuum pack all of our deer we get and fish we catch. Never had a problem with it. They are the best you can get in my opinion for under $300. And there dehydrater is great to.
I use 4 deep cell boat rv batteries. 7000 watts is max with a constant 3500 watts and yes I can run 240 but if you are planning on running your camper off grid you need to add up how many watts you need . A coffee maker needs from 900 to 1100 watts by it self not to mention you need clean power...
I have two 100 watt solar panels and 4 25 watt solar panels I got from harbor freight . The 4 panel set comes with everything you need to charge batteries and control box that allows you to change you phone and other electronics. I also have a 7000 watt inverter I got off Amazon that is a pure...