48V System
Battery brand is Kilovault 3600 HLX
6k of solar on two 7 yr old FM60
(one CC flamed out, the other is fine)
Inverter is 2007, Mate is pre revision 4
-------- Original Message --------
Subject: Re: [RE-wrenches] LiFePo4 vs BOS
From: jay <[email protected]>
Date: Mon, January 07, 2019 12:57 pm
To: RE-wrenches <[email protected]>
HI Dan,I’d like to know more about the system:battery brandsize of the PVvoltagejaypeltz powerOn Jan 7, 2019, at 6:46 AM, <[email protected]> <[email protected]> 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?
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