akaTylerDurden
New member
- Joined
- Oct 30, 2019
- Messages
- 7
I stumbled into a supply of TS-LFP60AHA and TS-LFP90AHA batteries that a high school was getting rid of (abandoned EV project), and was able to pick them up before they went out to the dump/recycling center. The intent is to utilize these batteries for a home powerwall.
The datasheet can be found here: http://en.winston-battery.com/index.php/products/power-battery/item/wb-lyp60aha?category_id=176
I've been charging/discharging the cells individually using the iMAX B6AC v2 charger (settings below) to get a better idea as to what the capacity would be, to record the performance of the individual cells and sort out the bad from the good, and I've noticed that all of the cells that I've tested (only tested about 5so far out of the 50) are bulging after they've finished charging. This is somewhat concerning, and I was wondering if others have experienced something similar with your projects and have any recommendations as to how to proceed.
Should these bulging batteries be discarded?
Any other thoughts on this?

The datasheet can be found here: http://en.winston-battery.com/index.php/products/power-battery/item/wb-lyp60aha?category_id=176
I've been charging/discharging the cells individually using the iMAX B6AC v2 charger (settings below) to get a better idea as to what the capacity would be, to record the performance of the individual cells and sort out the bad from the good, and I've noticed that all of the cells that I've tested (only tested about 5so far out of the 50) are bulging after they've finished charging. This is somewhat concerning, and I was wondering if others have experienced something similar with your projects and have any recommendations as to how to proceed.
- Charger settings: Battery Type: LiFe
- Cells: 1
- Charge Current: 6.0A (Datasheet recommends 0.5C, and 6A is only 0.1C of the batteries I've tested)
- Charge Voltage: 3.7V (This is less than the 4.0V recommended by the datasheet and was chosen for safety and longevity)
- Discharge Current: 2.0A
- Discharge Voltage: 2.8V
Should these bulging batteries be discarded?
Any other thoughts on this?
