1/14/2024 0 Comments Hex workshop 6.8 portable![]() So this will be used for photography and camping and picnics until the zombie apocalypse. Then my wife expressed concerned about a dire apocalyptic tsunami/earthquake/volcano event from reading the news which kind of flipped the project from a lithium USB brick charger to a full on power station (because all I needed was a reason). Why build this? Honestly, I was looking for a power solution for multi-day time lapse photography in the mountains - which prompted the first panel purchase. I'm currently only running 120W, but I could go up to 780W with a second battery and a 24V inverter (and I can add another 270W of panel on the current system with some parallel connections). ![]() The system has plenty of room for expansion. I have an old Watt meter than I plan to put between the panels and the case to check all this out. This effect allows me to pull 95W off the two 60W panels in series (so 40V and 2-3A has peaked at 6.5A at 14.6V into the battery per the monitor). I saw 6.8 amps going into the battery at 14.4V (so 98W?). On a benchmark test I used a 20V 4.25A power supply to simulate an ~85W panel. case - weighed when holding everything but the panels and battery. Stats: 120W (95? max so far) solar, 12V 80Ah AGM battery, MPPT solar charge controller, 400W inverter (uses 0.8 A when on), 3 cooling fans (in/out and duct, uses 0.2 A when on, button activated), 6.2 kg/14 lb. ![]()
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