In an unexpected emergency backup power condition, opening the fridge only when absolutely required, and biking it on/off in four-hour intervals, that would be prolonged to just about a few times. Of, class utilizing the four hundred watts of photo voltaic panels to recharge will help increase that even more. https://cheapbookmarking.com/story17582492/the-definitive-guide-to-can-a-generator-run-on-house-gas