[RE-wrenches] LiFePo4 vs BOS

[Howie Michaelson]

Hey Dan,
Are you saying that OB is claiming that NiFePO4 batteries are smoking their
charge controllers? Do they say why?  Is this also true of LiFePO4
batteries?  If you wouldn't mind mentioning which battery manufacture you
are dealing with?
Thanks,
Howie Michaelson
Sun Catcher

On Mon, Jan 7, 2019 at 11:06 AM <dan at foxfire-energy.com> wrote:

> I've been asked to trouble shoot a problem with a new set of LiFePO4
> batteries on an older OB system.. The customer complained the system would
> go dark within a few min. of the batt indicator light going yellow.. From
> what I've gathered so far the BMS of the batteries is shutting down.. The
> distributor sent out one of their techs, but it looks like they missed a
> few adjustments.. The biggie is their CC (OB FM60) went into snooze mode
> within a day of being connected to these guys, and now OB tells me the CC
> lost it's FETs and that's pretty common with NiFePO4 BMS.. also when the
> tech came out to commission the bank, one of the terminals on a battery
> melted and another distorted.. the customer has a few more days to accept
> the bank, I'm thinking send them back.. Comments?
>
>
> Dan Brown
> Foxfire Energy Corp.
> Renewable Energy Systems
> (802)-483-2564
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches_lists.re-wrenches.org/attachments/20190107/297fa0c3/attachment.htm>