Thats an awesome design. Can I throw out an idea if this goes to mass market. Instead of having the battery pack mounted to the crossover board, lengthen the height of the box a couple inches and then add a false bottom that's easily accessible from underneath that you can add more battery packs to. So it say comes with 2 battery packs, but the added space built in to expand to X
number of battery packs just by removing the false bottom and connecting in more.
So kinda like taking your existing box, adding 2" to the height, and a removable bottom piece like you did for the back of the box you have now, where all the batteries are stored. Or conversely, you could do this exact same thing just with one or both sides, making the screws part of the design if you wanted.
Kinda like in a computer only using 2 RAM slots, but having 4 more open if you need to take advantage of it.
Just not sure if thats feasible, but it would be a good way to allow for battery run time expansion without the headache of taking anything out of the main box. Just unscrew a panel, pop in additional battery packs, connect them to whats there, and BAM your done.
If my idea doesnt make sense, I can mock it up on my computer later tonight and post a pic.
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