DIY Goal Zero 400 inspired 400 Watt Battery & Inverter Box

Build your own 400 Watt Hour Battery and Inverter Box. The Goal Zero Yeti 400 is $450, but the box in this project video only cost $170 and has some advantages over the Yeti 400. Here's the link to all the parts I used: Battery 33 Ah (396 Wh): https://www.amazon.com/gp/product/B00... Harbor Freight Inverter: https://www.harborfreight.com/400-wat... Craftsman Toolbox https://www.lowes.com/pd/CRAFTSMAN-VE... Cooling Fan: https://www.amazon.com/gp/product/B00... USB Charging Port: https://www.aliexpress.com/item/32826... 12V Power Port: https://www.aliexpress.com/item/32873... Voltage Meters: https://www.amazon.com/gp/product/B07... AC Outlets: https://www.amazon.com/gp/product/B07... Fan Speed Controller (optional): https://www.amazon.com/gp/product/B07...