Originally Posted by The_Kapn
Battery to inverter works wonderful on the FEC.
Big batteries are reported at way over 20 + hours since the FEC only draws an amp or so whilst running. Most inverters use more power to run than the FEC.
We use a charger-battery-inverter setup to protect the FEC from the vagaries of comp site power.
Always have clean and stable power no matter how the "grid" does --or if someone trips over your power cord or overloads the circuit.
I have the battery and inverter down but what kind of charger are you using?