Joe, Victron make a great premium product.
Renogy has some good options which are not as costly. They make a 20A($115), 40A(176), or 60A($234) DC2DC charger (all have configurable battery charging profiles). If you have a high output alternator then 60A DC2DC charger may be a reasonable option. You would need 2 Victron 30A DC2DC chargers connected in parallel for an equivalent. https://www.renogy.com/battery-chargers/ <https://www.renogy.com/battery-chargers/> I would stay away from any of the hybrid DC2DC charger w/ MPPT(Renogy has these too). While it may sound nice to get the added functionality, these MPPT all have a low solar V_open_circuit(25V vs 100V normally). This means that solar panels all have to be connected in parallel (more wiring, costs, and greater I^2R power loss) which also means the MPPT is limited resulting in PWM-like performance. - Paul E. 1981 C&C Landfall 38 S/V Johanna Rose Fort Walton Beach, FL http://svjohannarose.blogspot.com/ > On Sep 21, 2021, at 2:59 PM, Della Barba, Joe via CnC-List > <cnc-list@cnc-list.com> wrote: > > 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 > Thanks to all of the subscribers that contributed to the list to help with > the costs involved. If you want to show your support to the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray > <https://www.paypal.me/stumurray> Thanks - Stu
Thanks to all of the subscribers that contributed to the list to help with the costs involved. If you want to show your support to the list - use PayPal to send contribution -- https://www.paypal.me/stumurray Thanks - Stu
