T
Twistedlarch
bass said:I looked up your finder at the Humminbird site. The draw is 220mA. Thus, .22AH per hour. You will not be able to tell the difference in capacity. If your trolling motor is a Duramax model it will create a lot of noise for the finder. I have a separate battery for my depth finder for just this reason.
Good luck.
JeannaJigs said:fish finders tax a battery only minimally, you'll be fine! 40 pounds on that thing must fly, I have a 45# on a 16 foot fiberlass drift boat and it hauls...
bass said:I looked up your finder at the Humminbird site. The draw is 220mA. Thus, .22AH per hour. You will not be able to tell the difference in capacity. If your trolling motor is a Duramax model it will create a lot of noise for the finder. I have a separate battery for my depth finder for just this reason.
Good luck.
rogerdodger said:however many new sonars have much higher draw, my Elite-7hdi draws 1.1amps, larger screen HDI units might draw closer to 2amps, so in some cases now, the sonar should not be ignored...on the good side, you can overlay battery voltage on the display...cheers, roger
bass said:That is a good point. If you were out on the water for a full day 2A draw could eat a good portion of your batteries capacity. I think most 24 series batteries are around 85AH. In a 10 hour day a 2A draw would use up almost a quarter of that capacity. In reality it is worse than that since you will not be able to get every AH out of the battery for which it is rated.
DrTheopolis said:As mentioned (sort of), if the transducer is mounted near the electric motor, when you get into the throttle, the FF won't read right. Creates too much RF, and you'll see the bottom depth go from 1 foot to 350 feet quite frequently.