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Posts: 2024
| I rent boats as well and put together a portable gps/sonar unit. A lot of rentals only have the basic fishfinder. I use the suction cup transducer mount, which has held solid over several trips, and have a sealed lead acid 10 ah battery. You want a sealed battery for a portable unit, as you do not want a spill. A guy on here gave me some advice about making a portable box, but I went with a 5 gallon bucket. Not fancy at all, but works and is cheap. I have the battery in the bucket and can hang some baits I am using on the inside of it and simply attach the unit to the bucket with wingnuts for easy removal. You can also move the bucket portable unit to the bow for when you are casting. Having the graph on the bow this summer really helped with boat control on the structure and finally getting some fish. The battery in the bucket saves you from having to run wires to the cranking battery. You will not want to use the trolling motor battery, due to the power surge issue and/or interference. Also, I wouldn't want to be putting any more drain on the cranking battery on a rental boat, as you don't know what shape it is in, which is why I got the 10 ah battery. You can get a battery and charger for around $40. | |
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