FTDI USB-RS485-WE-1800-BT Cable, USB to RS485 Serial, 1.8M, Wire END

hi i thought i'd shoot a series of videos about a complete setup guide for remote battery management um i've got a um just this temporary setup this whole setup is eventually going to go in my boat but i've got a 300 watt solar panel out there on a nice bright sunny day here in northern ohio in the month of early march and i'm generating about 375 watts been a nice bright sunny day all day today um but what i have is is uh there's been a few folks on the online that have recommended this idea of putting your lithium-ion phosphate batteries in a milk crate so that's what i've got going on here and i've got a protective cover on here i was a little nervous about shorting out anything to the battery when i was um working on it didn't want to drop a tool or usb cable or anything else on there that would cause a short to ground so i put a cover over the top of it and what i did is these are