40B19R 12V 20Ah 680CCA Automobile Lithium Battery LiFePO4 BMS Replace Lead Acid
The LiFePO4 type means less worry about deep discharges, and that's a nice touch for daily use.
Just go fish and not worry about a thing with power. Conquer the Deep Freeze. The Market’s First OTA-Enabled Marine Battery : The 165Ah dual purpose lithium marine battery allows for remote and rapid firmware upgrades to the latest features.