Apparently great minds think alike

This is very similar to the set up I mentioned. The PWM saves battery life. In my set up the PWM is built into the remote control. I had a manual steering set up as well but switched over to using the remote to have a free hand to control my rod.
The battery I use is from Timeusb. Very good reviews and I’ve had great customer service. About $100 I’ve also installed their batteries in my travel trailer. 50 Amh fits perfectly in a Harbor Freight waterproof box with the fuse. My set up ha an external usb/usb c port, power port for my Garmin and a battery monitor that uses a shunt (highly accurate as compared to the little cigarette lighter ones).
Automotive Grade A Battery Cells: Capable of 4,000-15,000 deep discharge cycles and delivering up to 10 years of reliable power, 8 times longer than a lead acid battery, providing exceptional lifetime value. Internal Safe 50A BMS: Provides 100% safety guarantee and 5 types of protection, namely...
www.timeusbpower.com
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