APC 9130 3000 UPS, with external batteries and external charger

[Anonymous user]

Hi

I have apc 9130 3000va ups(rack mount) i was using it with external batteries (6 * 12v = 72v) system with external charger because of high amh batteries it was working fine for 2 months now i am getting error "291 DC link imbalance" when ever battery voltage rise above 80v ups shut down with this error (72 volt system fully charged at 81v or 82v)

thank you

[BillP]

Hi,

The 9130 is not an APC by Schneider Electric product. It is an Eaton-Powerware product. 

[Anonymous user · Accepted solution]

yes it is sorry for that