Recent content by crawdude

Capacity test checked out! I wired up my BMS, set the cutoff voltage on the BMS and the heat sink to 10V and let it run. I set it as close to 150W (max for the heat sink I had) as I could without going over. I woke up at 0230 in the morning to the beeping that the test was done. 309Ah! Now...

I'll have to reread that link a couple times to absorb the information, not fully understanding it.

I was not aware that they mark the grade b cells, I had heard about the relasering of the QR codes though. I'll just do my capacity test and if it doesn't pull full capacity I'll take a look at the QR codes.

Good point! I changed the batteries and result was still the same. I went and bought a Fluke and it verified the accuracy of the BMS and the power supply. I just put everything back in parallel to finish the top balance before the capacity test. Thank you everyone for your help!

Why is that?

I figured they probably bulk buy from Docan and then resell ?

That is correct. Each box had 2 cells.

Thanks for you input! I'll wire everything back in parallel and finish the top balance then!

Maybe I'll go pick a new one up, looks like my local hardware store is running a sale. Just wasn't sure what to trust since the power supply was a cheap Amazon one and my multimeters were old!

Hey just want to let you know I ended up ordering these cells. Ordered 4 304Ah cells on 11/5. Shipped 11/7. Delivered 11/14. Came in Docan Power boxes, very well packed. The cells were so tightly packed in the styrofoam I actually had trouble getting them out lol. All the cells were in great...

Super excited that I finally got my battery assembled and BMS hooked up! This was a pretty intimidating undertaking but there's so much good information on this forum that helped me figure it out! I'm getting ready to do my capacity test but I want to get my BMS fully configured for my 4s 304Ah...

I'm looking to buy four LF304 cells to build a 4S battery for my van. I was wondering if anyone has had good experiences with IMRbatteries or 18650batterystore? I'm leaning more towards IMRbatteries since the LF304 cells they are selling have the 6mm posts which I prefer. However the...

Our build sounds pretty similar! I have an Espar which I'm planning on splitting the duct to go to both the cabin and garage/electrical area, but have been debating the heating pad as well. +1 for the Thinsulate too! Thanks for being super quick in your response, always appreciate the input of...

@Carson - Vanlife Rentals your solution to the battery box and installation into the van is incredible! I'm building out a Transit right now and am planning on doing a similar construction as you. What are you doing for temperature control for the batteries? Do you plan on adding a battery...