NOCO Genius GEN5X2: 2-Bank, 10A Onboard Battery Charger - 5A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries

Buy one of these: https://a.co/d/032wvBzW And one of these: https://a.co/d/0hgutIcS The NOCO has ring terminals and is permanently installed to charge the batteries. The second item is the port adapter for shore power so you can quickly run an extension cord to shore power just make sure it’s a good quality wet weather rated cord and you should be good.