no more to spot welding
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…
custom, dimple die
So went and made myself a nice and shiny dimple die punch. Used some quality AMF vertical toggle clamps which was a nice touch. I have made different one for my initial 14S6P battery design but it lacked those clamps … Read More
making compression pads
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
printing 6P N.E.S.E module
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 🙂
vibration test results of compression pad
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