We're back! Back into the DIY battery build. Oh, yeah, today we will have a look at this #Seplos box sitting in my garage for over 6 months. In fact, it is the Seplos #MASON 280L Vertical DIY Kit. We have seen (and build) the Seplos Mason batteries before on this channel and I loved it, so hopefully a vertical MASON box will be the same experience.
These MASON battery boxes come with all the accessories to fully assemble your battery. You just need to bring your own batteries of choice and your are set. BMS with display, cables, terminals, bus bars... EVERYTHING is simply here and you have your battery build within 2-3h. And, my people, this Seplos MASON vertical kit looks good. Aesthetically, it is one of the best I have ever seen, very high quality and material choices, beautiful workmanship, great design. Everything fits together as designed.
BUT!
The kit is not perfect. Oh, boy, the manual for example, is totally outdated, parts do not fit where they are shown on the photos. All photos have been taken from the top down, so in the manual, it looks like the whole box is upside down. Some of the stuff explained, you just have to figure out yourself. It's not a big deal, but Seplos has done much better jobs in previous builds of this MASON kit and had the perfect manual you just followed to built your battery. So, I used the online only manual only as a guide and did some modifications along the way to improve the box and design right away. I also didn't like the cell compression mechanic they designed here. It is a step back from what they had in the horizontal MASON Kits. So, I hope for a V2 which has a better design in this perspective. I also could not get the LED strip on the back of the battery to work even all cables are correctly connected.
Overall, the Seplos MASON 280L DIY Kit is extremely well build and putting everything together is a lot of fun. The high quality of the BMS, material choices and accessories satisfies while building this battery. Thumbs up for this box!
Seplos MASON 280L Vertical Battery Kit, all info, prices and where to buy:
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Gobelpower EVE LF280K cells I have used for this project:
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Review and test video of these great batteries: [ Ссылка ]
Digital Torque Adapter:
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Precharge Resistors for connecting any low voltage equipment or capacitive loads like inverters:
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Seplos MASON Battery Box Build:
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