Just trying to cipher runtimes I have on hand 150ah 12 volt batteries, so thats what id be looking to use. Excluding the conversion loss of a 12v to 48v step up converter is the math correct here? 12v 150ah=1800 watt hours 1800 watt hours at 48v = 37.5ah 50 watts of radio running 48v = 1.04 amps 37.5ah @ 1.04 amps = 32.77 hours runtime
does a step up that claims 95% efficiency mean 95% of the watt hours?
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