6P N.E.S.E module testing, round three
I needed to push and keep testing my modules till it fails. It sort of did this time. I pushed it to 200A realm and the temperatures went through the roof. Got some Sony VTC5A cells and at the end … Read More
I needed to push and keep testing my modules till it fails. It sort of did this time. I pushed it to 200A realm and the temperatures went through the roof. Got some Sony VTC5A cells and at the end … Read More
Made a video on how to assemble modules and then modules into battery pack. Its 10S6P for now but it gets the message out.
So i went back to reach my goal of pushing modules right up to 120A discharge. This time i have all set up at my workshop. Couple of cameras were taking different shots for more on screen info. I have … Read More
Someone on ES FB asked if modules would be capable of 120A. I thought, its a bit high :). Well i had no load, so got my TIG and welded nine of ~40cm x 1.2mm in diameter wires to 2 stainless … Read More
No more to spot welding, no more to holes 🙂 This was my take on DIY spotwelder. It never took off, started working on this N.E.S.E design. Far more enjoyable battery building experience…
Lucky enough i could borrow CO2 laser at friends to cut some pad samples and check fitment. Using Rogers CO2 laser cutting guidelines for poron makes it a breeze with clean cut. Some of the 3M glue fogging occurs but is … Read More
Prusa i3 MK2 printing 6S module out of grey Devil design PETG filament. Quality is great considering printer price tag of 760EUR including shipping. Would like to own Ulrimaker 3 or 2S thou 🙂
Here is the data of compression performance. 2500MAh LG 18650HE2 was charged to 4.2V 5min wait then discharged to 2.8V while vibrating it at 2.5Hz (max load on compression pad occurred 2.5 times per second) Yellow line represents acceleration on … Read More
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