OK I'm a noob so I bought 5 panels 456w in series
A powmr 8.2 240v which is what I needed and wanted and a e-box 48100r for batteries all hooked up the batteries were used once and now the inverter is flashing BP I have a 48 volt charger I put on it starts to charge after a while it starts to beep and the error light comes on I can't get (according to my meter ) more than 41 volt I'm so confused everything is brand new please help
Thanks in advance
A powmr 8.2 240v which is what I needed and wanted and a e-box 48100r for batteries all hooked up the batteries were used once and now the inverter is flashing BP I have a 48 volt charger I put on it starts to charge after a while it starts to beep and the error light comes on I can't get (according to my meter ) more than 41 volt I'm so confused everything is brand new please help
Thanks in advance