[RE-wrenches] Low voltage lithiums

[Kristopher Schmid]

Greetings all,

I have seen an issue on two different systems that I am hoping someone can
shed some light on for me.  One was a 48 volt pack of 12 volt Battle Bornes
and the other was a 24 volt pack of SOKs.  What happens is when reaching
the end of the bulk charging stage, the battery voltage spikes and sends
the inverter into an overvoltage error.  Can anyone explain what is
happening and a solution?

Thanks,
Kris

Shine On!

Kris Schmid
Legacy Solar, LLC
137 West 1st Avenue
Luck, WI 54853
www.legacysolar.com
715-653-4295
NABCEP Certified PV Installation Professional
Licensed Wisconsin Master Electrician
BSEE
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