I use it on my kayak with a very affordable 8amp LifePO4 battery and a simple DIY rail mount. I can leave the fish finder on and get through a 9 hour day of fishing and it still has plenty of power. I love the GPS trail feature that marks my route throughout my trip so I can find my way back to the launch site. The fish finder is very accurate and easily finds my lures under the transducer when jigging straight down.
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