Recent content by some-random-guy

Yes, there really is, lithium battery manufacturers, have been continually improving the production techniques and tweaking the structure of the chemistry to increase the quality and charge and discharge, along with lifespan. The MB30 and MB31 are real, they are the next generation of cells...

Sounds like you got Envision 305ah. Or B grade Envision 315, or even used Envision 315ah. There is a lot of disassembly still happening, and in all honesty, its maybe not such a bad thing if you get A grade with a small amount of use.

I can confirm that the prices of batteries is less than half what it was not long ago. This is TRUE. These are the same quality. Let the games begin!

Yes Gotion 340AH cells are real. OMG this forum is full of know it all's

Spot On. The number of arguments I have had with grade B owners. Even most of the Youtubers didn't know there was a difference and I'm not even sure if they even still know it. No naming anyone in particular, but its been a hell of a time tying to get people to understand what they are actually...

They do seem to be grade A EVE cells and I am an expert in identifying the differences. They have photos of taking delivery from EVE and the wooden boxes that EVE ships them in sometimes. So yes they are Grade A.

That isnt fully the best way to think about it. If you have 300ah cells in 4s2p. That would be only be about 0.4C And yes it is real. He has them custom made by JBD for this exact reason, as most people in Australia that are custom building battery packs are using the LF280 or LF304 cells. So...

https://lifepo4.com.au/shop/lifepo4-bms/jbd/12v-4s/bms-4s-200amp-with-bluetooth-jbd-sp04s034-l4s-200a/

Thank you. Very good info. Pay attention people. If you are using the cells a lot, every single day or more, you should fork out extra to get them from either SUNFUNKITS or Luyuan. If it's not that important, and you aren't going to use all the cycles, then by all means just get what cheaper...

I know sometimes things go missing on cheap ocean freighters, that don't have insurance. There is actually a black market for shipping which can save quite a bit of money for Dangerous Goods. Has anyone considered that? Did he ever give a responce?

You are 100% right and went and looked at the photos of Sunfunkits delivery. They are in fact 100% A-grade cells. They have paid about 40-50% more for their cells. Sunfunkits are my new recommendation in the states. 100% good company there. Luyuan I will ask tomorrow at China time, for more...

You can tell by a capacity test. Let's be honest, 99% of people it really doesn't matter that much. Its only the very few, that it might affect and even then, as long as they do some research, they will likely get cells that should last a pretty long time. At least Docan doesnt sell used cells...

Trust no one! ? Look i just went to see the prices of EVE cells on sunfunkits website, and boom here it is. It says on their Twitter feed, exactly what I said 15 mins ago. EVE has finally taken action on the B grade cells. Go and have a look https://www.sunfunkits.com/

How much do Sunfunkits charge in the USA? for the cells only? can you buy only the cells?

Luyuan does test them and provides "a" report. I have ordered from them before, but they tested in 286-288 range, so from what I've learned over the past few years selling cells in another country, they are just the best of the B grades, very very close to the A grades, Luyuan does test them...