Re: [RE-wrenches] Lithium Iron Cell recovery

2025-01-09 Thread Jay via RE-wrenches
Hi Mac I guess my question would how did this happen and why wouldn’t it happen again? It would seem the balance system didn’t work or isn’t working? And I don’t know what kind of issues that could cause going forward. I guess I’d be cautious about what could happen I have heard from a few peo

Re: [RE-wrenches] Switching to LiFePO4

2025-01-09 Thread John Blittersdorf via RE-wrenches
Hi Dave, I had a lengthy response to one of your wrenches requests but failed to send it . As it might be of interest to others, I am sending it now. Since I wrote it, I have completed the repairs of the two e-flex 5.4’s. The one with on off switch on when received had drifted down to total shutdo

[RE-wrenches] Lithium Iron Cell recovery

2025-01-09 Thread Mac Lewis via RE-wrenches
Hey Wrenches, I am working on recovering a Lithium Iron Phosphate cylindrical cell battery that has about 5 years of cycling on it. We didn't install this system but they have 2 x Relion RB48V300 paralleled at a telecomm site. They are a pretty simple battery, just in a box with no easy way to p