A Solar update / review....
Last year I installed 280 watts of solar on my 20' toy hauler. I also outfitted this trailer as a mobile office. You can read all about the details here: www.rvbprecision.com I'm what you might ...
Forum Discussion
bill-e wrote:
the 700w coffeemaker brews in 2 min, that's 2800 watts a minute or 45 watt hours, correct?
No.
700W*2min/60min=23 WH.
In battery world we measure it in AH, not WH.
23WH/13V= 1.8 AH. Make it 2 AH after inverter losses.
But the battery will lose more than 2 AH, here is why:
700W/13V= 54A current, make it 60A after inverter loss. Batteries hate high 60A current, their charge is dropping then faster than It "should've". This is called Peukert effect. 2 AH consumed by Keurig will result in 4 AH or 5 AH drop in battery charge (off the top of my head, don't want to run Peukert numbers now).
So, 700W Keurig is still doable without generator. You will need 1,000-1,200W inverter for that. Getting it much bigger won't make sense with 2*6V batts. People sometimes install 2,000W inverter for microwave, but MW is too high load for your 2*T105. And so is your other 1,400W Keurig.
