I need someone with battery or solar off grid experience to fault find on an off grid system in Leicestershire area. Any recommendations of people or help appreciated. Trouble is I cannot find a trade who are experienced in this. the system was fitted by a solar electrician but he did make it clear to me that he wasn't familiar with off grid and would only be able to wire it up.
4000w off grid smart inverter (8000w peak)
4 x 105ah marine lead acid batteries in series 48v 420ah
2 x 250w sharp solar panels used as chargers.
It is all brand new.
Thought it was working. Inverter showing everything is fine. Batteries get to fully charged state. Everything works but there seems to be a fault.
At a fully charged state if I switch on the oven (draw is 55amp 2.4kw) the batteries last 30 seconds! The voltage on the inverter shows 51.9v and drops off very quickly. At 46v the inverter battery protection kicks in and shuts the system off.
The batteries then show as low, but mysteriously end up back to fully charged again within 20 minutes?
4000w off grid smart inverter (8000w peak)
4 x 105ah marine lead acid batteries in series 48v 420ah
2 x 250w sharp solar panels used as chargers.
It is all brand new.
Thought it was working. Inverter showing everything is fine. Batteries get to fully charged state. Everything works but there seems to be a fault.
At a fully charged state if I switch on the oven (draw is 55amp 2.4kw) the batteries last 30 seconds! The voltage on the inverter shows 51.9v and drops off very quickly. At 46v the inverter battery protection kicks in and shuts the system off.
The batteries then show as low, but mysteriously end up back to fully charged again within 20 minutes?