How much is that Inverter Charger? I was looking at Signeer's site and they look expensive to me. You can get a 1500W Inverter and a solar charger separately for about ~$300.
https://smile.amazon.com/gp/product/B07MM4CG9D/ref=ox_sc_act_title_1?smid=A2WI2LFG1JAJEM&psc=1...