Recent content by zcskywire2

This is expected. There exists no list of what cell corresponds to what manufacturer ID and Product ID. If you notice under your screenshot for product ID it shows unknown. That is why it reads 0 Ah and Wh as the app simply does not know and does not want to provide wrong values. It should be...

I hope to be able to come back and test this in the future. While these were outside cells, we also have a crate of L135F72 cells that havent been touched in years. Hopefully it has the original shipping report in it. I'm also looking at a set of original blue headway cells to test that have...

Not mine, don't even get to keep em. They have already been returned to their owner.

There is endless discussion these days here about the effects of calendar aging on cells. Even more so with cell cycle lifes hitting 15000 cycls or more. Unfortunately there is a lack large scale testing as it is both expensive and time consuming. Well through my job I was given a rare...

They used to back in the day, this is for an original LF280, dated April of 2019. Compression has just become a standard and mandated practice in industry now.

SIB-P18650-1.2A Cylindrical pdf 18650-1300mAh Cylindrical pdf

Updates the 46145-18ah datasheet to an official copy from Paragonage Updates the 32140-10ah datasheet to more proper copy from Paragonage Adds a rebranded 18650-1.3ah datasheet

All depends on the true specs of everything. Start by seeing if the 12V panel is actually 12 volts open circuit, many "12v panels" are in the 18-22V volt open circuit range as they are designed to be used with buck converters to charge 12v batteries. 5s is a possible setup for the simple setup...

I went through all the LTO cell datasheets I have. All the different cell manufactures spec the discharging cut off voltage is 1.5V. 3S would give you 4.5V as a low cut off, likely acceptable for your proposed 5v application, if you can ensure it shuts off at 5V. The cells will not shutoff...

Adds: 11165260-50Ah pouch 48173125 11FA 100Ah 71173200 A14 277Ah 71173204 A50 280Ah with welded studs

HW38120HP 8Ah Cylindrical pdf HW38120s 10Ah Cylindrical pdf HW38120L 10Ah Cylindrical pdf HW40152S 17Ah Cylindrical pdf HW40146L 20Ah Cylindrical pdf

39148A2-A2 70Ah prismatic pdf 50160B6-AP 100Ah prismatic pdf 72174L4-AH 280Ah prismatic pdf

I have some some lab data on this. We were paid to evaluate cell replacements for a now discontinued cell. This will be lighter on details than I'd like because of it being private paid testing. At 15F the damage can be as high as 16% SoH after 10 Charge and discharge cycles at 1C/1C. Results...

18650E-1500 1.5Ah Cylindrical pdf 26700E-3200 3.2Ah Cylindrical pdf 26700E-3500 3.5Ah Cylindrical pdf NaFP71173204CY-210 210Ah Prismatic pdf 71173204-220 220Ah Prismatic pdf 71173204-240 240Ah Prismatic pdf

SIB 50160118-75Ah prismatic pdf