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Hello all, I bought a small 30W solar panel that I plan on hooking up to a 38 Ah battery and Victron 250 VA inverter. I planned on using my dusty set of MakerbeamXL to mount it but it didn't seem to work at first because the mounting holes are too big for these tiny screws. Anyway after a bit...

In order to make holes through a Flexibar (to be used as busbars between battery cells), the manufacturer recommends using a hole puncher such as their MFPT. The problem is that their least expensive piece of equipment, the MFPT, costs € 1260.73 and that is a lot for something I will seldom...

Hello all, I just received my 304Ah EVE battery cells ordered on Alibaba and I am very confused about the busbars I got: A box contains two 9 cm long busbars which allow connecting two cells sandwiched together (since I calculated the cell terminals center would be about 7.35 cm apart...

Compression springs do not offer an even 11 psi if they are not distributed evenly, as that is often the case (especially if there are none between battery packs which is often the case). Springs should thus be adjusted to each offer a separate force. I've posted about it on and I don't have...

I am in the process of modeling my 3P8S battery out of 304 Ah cells from Amy, and I just realized that using 3 parallel cells with the provided two holes busbars means that the busbar is not making contact with one of the terminals. Would it be appropriate to use 2 mm washers to fill in the...

How would one go about determining the required thickness needed for the two side walls that sandwich a set of battery cells with threaded rods and springs? I've seen 1/2" of wood floating around, but I would rather go with something less flammable; aluminum, (stainless or galvanized) steel, or...

Where do you all get your battery compression pads in Europe? And what product? I've seen recommendations for "PORON® EVExtend Battery Pad" but that product seems to be available in the US only.

Hello all, I'm in the process of designing my houseboat electrical system but already ordered 16x 304 Ah cells yesterday to make the 15.5 kWh battery and I am having second thoughts as to whether I should ask for 8 more cells (total 23.3 kWh) before they get shipped. I want to maximize...

Hello all, I am trying to design a battery pack that will be much more cost efficient than 3x Victron's 200Ah 25.6v batteries (4000 euros each). This is all new and a bit overwhelming to me. I get that I need 16* 304Ah cells (which can be found on Alibaba); 8S and 2P. The BMS and balancing...