Join Date: May 2012
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Re: Fishfinder vs depth sensor
Because the pulse from the transducer is such a short duration, the power consumption is extremely low. If it were a constant 1,000-watts you're battery would be dead in a matter of hours. With this system the battery will last for weeks without going dead.
Thanks for the update, that's what I figured, those are peak watts, whereas the RMS watts are much lower (Wikipedia says you should be divide by 8 to get the actual power consumption).