If I pull the trigger on this, it is going to be alternator > start battery > DC-DC charger > lithium battery. So what say you lithium experts: This one Amazon.com: Victron Energy Orion-Tr Smart 12/12-Volt 30 amp 360-Watt DC-DC Charger, Non-Isolated (Bluetooth) : Electronics<https://www.amazon.com/Victron-Energy-Orion-Tr-Non-Isolated-Bluetooth/dp/B086Q8YNJZ/ref=sr_1_6?dchild=1&keywords=dc-dc+charger&qid=1632250568&sr=8-6>
Or Amazon.com: ATEM POWER 12V 40A DC to DC Battery Charger with MPPT Solar Panel Controller for Lead Acid, AGM, Gel, Calcium, LiON Batteries, Multiple Protection Design On-Board Charger : Patio, Lawn & Garden<https://www.amazon.com/dp/B0924C49W1?pd_rd_i=B0924C49W1&pd_rd_w=OM6Bf&pf_rd_p=7ea8e9d0-fed1-49e8-a002-f2d3f5cb151d&pd_rd_wg=HYP8I&pf_rd_r=Q9NWCJHGX31A58FME6NK&pd_rd_r=22c7768b-6a78-4191-8365-2f6ecd476ede> Joe Coquina
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