Charge cycles seems high for NMC at 3,000+ cycles. They list optimal operating temperature at 32 to 104 degrees F. Discharge temperature -4 to 104 degrees F. Charge temperature 14 to 104 degrees F. Storage temperature 32 to 104 degrees F.
Well, it's time to offer an update on my situation. It's not a particularly happy ending but it is what it is. :(
Shortly after my posting this thread, I re-connected with Jenny Wu via an email address I had not previously used. She re-stated her earlier proposed "settlement" that she would be...
I'm glad to hear that you got some satisfaction from Jenny Wu. I have been in a similar situation. I ordered 32 LF280K cells and had one go bad. I have had trouble maintaining communication with her. My contact has primarily been through WhatsApp. Is there any chance you could PM me her email...
I am doing that! I would be pleased if Jenny Wu made contact and did the right thing, namely replacing the battery! It would be good for all concerned, including her!
Just over a year ago I purchased 32 EVE LF280K cells with welded studs through Jenny Wu at Docan. Like many of you, the sale went smoothly and the product arrived in great condition. I assembled one 8 cell pack and one 16 cell pack according to generally accepted practices. Just before...
I am pleased to share my recent positive experience with Jenny Wu at Docan Technology! I placed an order for 24 EVE LF280K cells with welded studs to be shipped directly from China on November 3, 2021. Jenny was absolutely great to work with! She sent me pictures of every battery showing QR...
My plan has been to assemble a 24V battery pack from 32-72Ah cells. Given this new reality, and out of an abundance of caution, I'll revise my plan to use 24-72Ah cells. I'd rather go with reduced capacity than wonder if my pack is safe/healthy. Thanks for your input!
I am in the process of building a 24V LiFePO4 battery pack out of 72Ah cells. This morning I went out to the shop to find one cell that had been laying on its side overnight with a few drops of leakage coming out of its vent. (I have not tested other cells to see if they would leak.) How serious...
I am in the process of assembling a 24V LiFePO4 battery pack from 32 72Ah cells. The cells are rated for 24A (1/3C) standard discharge current, 72A (1C) maximum discharge current and 24A (1/3C) standard charge current. My configuration will be 4P8S with a single BMS. My question is simply what...