Hi and thanks in advance
We are running:
3 x routers
1 x laptop charger (always on)
2 x DSTV decoders
2 x TVs (1 on 1 off)
Beginning February we started with 1 battery (120aH 12V deep cycle gel) and an Andowl 1200kW UPS inverter/charger. Despite intermittently claiming to be overloaded, this ran the appliances above for 2 hours. Mid April we added a second battery and got 4 hours (charging second battery independently with a smart charger. (Inverter charged 1 battery to 14.3V, smart charger the other to 13.3V)) Batteries held less and less. Inverter stopped working. Around start June we got a 2000kW Takealot inverter. Charging both batteries with smart charger to 13.3V we are getting 1 and a half hours until batteries read 10.5 or less.
What have we done or are we doing wrong please?
Thanks again