RogerL wrote:
20 amps at 13.8v is 276 watts - add 25% for inefficiency that's 345 watts - which is 1.5 amp at 230v.
Ah, I see now: 13.5v drawn from a 20amp battery is 276watts etc.etc.
I never clicked we were talking about batteries although i did think 20amps from the ehu was overgenerous.
20 amps at 13.8v is 276 watts - add 25% for inefficiency that's 345 watts - which is 1.5 amp at 230v.
Ah, I see now: 13.5v drawn from a 20amp battery is 276watts etc.etc.
I never clicked we were talking about batteries although i did think 20amps from the ehu was overgenerous.