Alternator Charging ? Again
I need to use the truck to recharge the batteries for the truck camper when off grid because there is no room for a generator, and solar can't always keep up. I know you are supposed to upgrade to...
Forum Discussion
And for reference my 1.8 cubic foot 12v Vitrifrigo c51is draws ~32 watts and has a 25% duty cycle or less in 80F ambient.
BUt I do have extra insulation.
My PSW inverter draws 0.24 amps turned on powering nothing
My MSW inverter draws 0.72 amps turned on powering nothing
My MSW inverter turned on powering nothing draws more than my fridge does in an hour, 60% of the time.
BFL, you said before the truck battery was dropping to 12.2v when idling to do the inverter/charger thing. Sounds like you are robbing Peter to Pay Paul.
Peter being the partially charged and now unhappy engine starting battery.
While My alternator is has rather pathetic output at 525 hot idle, this does not mean yours will too. I understand that you need not do anything to continue with the inverter jumper cable charger method.
Your alternator well wired to the house bank, could easily outperform the inverter/charger method.
BUt I do have extra insulation.
My PSW inverter draws 0.24 amps turned on powering nothing
My MSW inverter draws 0.72 amps turned on powering nothing
My MSW inverter turned on powering nothing draws more than my fridge does in an hour, 60% of the time.
BFL, you said before the truck battery was dropping to 12.2v when idling to do the inverter/charger thing. Sounds like you are robbing Peter to Pay Paul.
Peter being the partially charged and now unhappy engine starting battery.
While My alternator is has rather pathetic output at 525 hot idle, this does not mean yours will too. I understand that you need not do anything to continue with the inverter jumper cable charger method.
Your alternator well wired to the house bank, could easily outperform the inverter/charger method.
