riba2233

Figured I might as well start putting the overall enclosure together. As always, polycarbonate is a winner. Screwed together using...

I didn't even know Sony had something like that. If it's available somewhere, it's no big problem to add it to the tests

Currently not easy to get, easiest way is to buy a Makita BL4040F (F is important) pack and extract cells, it has 10 of them. That is...

Yo, would you test the new Murata VX40 cell? 4ah, tabless and 60-80A approx

small update: more cycles with Vapcell 18650 cells, but more interesting news, Vapcell recently announced a 21700 F60 cell with 6000...

Sorry if this looks like I'm posting the same thing, but the chain run is complete, wheel is in position, and the chain alignment is as...

Sprocket is done! Just need to taper the teeth so the chain doesn't get lifted.

Okay, so who wants some thermally conductive, electrically insulating epoxy potting/adhesive compound? Cause the minimum purchase is 70...

small update: Managed to get the image per post limit back from 10 to 20, so I was able to do some editing in the first 4 posts of this...

Maybe it's the pic angle, but it looks like there's a lot of spots where the busbars are veeeeery close to shorting. Is that a concern...

Just FYI for everyone. We're taking a short break from working on the site for a bit because we're working on building an innovative...

Small update in N38+F40 post. I have added some new informations in the Table. Added temperatures measured without forced air (I just...

Have you seen the news from EVE, some really interesting cells: https://www.evebattery.com/en/news-1238 I mean the 100A claim is...

ES Table "test capacity" results at 1,2 and 3C are measured at ~90% DoD (4.15-3.00V range), but "nominal capacity" are 0.2C at 100% DoD...

My copper arrived. After the initial jigsaw puzzle, the next step is to countersink the fixing holes, then flip the underside busbars...