Frank 182 Posted May 22 Share Posted May 22 On 21/05/2025 at 1:28 PM, Guest said: It would be interesting to know the details,whether it was actually the lithiums that started it, brand of lithium, BMS , configuration for charging, safeguards (or not) in those incidents. AGMs of similar capacity cost more than my Lithium. That said, you have got to have X amount of geek in you to be comfortable with the change-over, and could be dependent on what capacity you can currently charge at and whether you have already tweaked it with configurable external regulated alternator . I already had the perfect setup for DIY LiFePO4 and BMS of my choice. Horses for courses. If you want completely hands off autonomous system for the electrically impaired, it is going to cost. We have slowly upgraded the DC power/charging system since we purchased the boat in 2017, lithium wasn't on our minds in that time it was just an attempt to better manage the AGM batteries . Now we are considering the switchover and I think the only extra component we need is a DC to DC charger and even that we could probably dodge as the start battery has its own alternator. The Balmar house alternator is grunty enough for the purpose, some settings to be tweaked changed obviously. ie none of the components are unique to Lithium batteries. Quote Link to post Share on other sites
CarpeDiem 534 Posted May 22 Share Posted May 22 1 hour ago, Frank said: We have slowly upgraded the DC power/charging system since we purchased the boat in 2017, lithium wasn't on our minds in that time it was just an attempt to better manage the AGM batteries . Now we are considering the switchover and I think the only extra component we need is a DC to DC charger and even that we could probably dodge as the start battery has its own alternator. The Balmar house alternator is grunty enough for the purpose, some settings to be tweaked changed obviously. ie none of the components are unique to Lithium batteries. What kind of regulator do you have? You need one that can support tail current charge termination at the Li - otherwise you'll be guessing and that will lead to either overcharge or undercharge which will depend on house loads at the time. Quote Link to post Share on other sites
bigal.nz 61 Posted May 22 Author Share Posted May 22 4 minutes ago, CarpeDiem said: What kind of regulator do you have? You need one that can support tail current charge termination at the Li - otherwise you'll be guessing and that will lead to either overcharge or undercharge which will depend on house loads at the time. Arco Zeus. Quote Link to post Share on other sites
MartinRF 76 Posted May 26 Share Posted May 26 On 20/05/2025 at 2:02 AM, waikiore said: Oh simple me, I go sailing to relax, enjoy the environment and not worry, so that ruled out Lithium batts of any type (and the cost) have I suffered-not a whit. My battery, all 7.2 Ah: /Martin 1 Quote Link to post Share on other sites
CarpeDiem 534 Posted June 1 Share Posted June 1 On 20/05/2025 at 4:55 AM, Frank said: That's the first solid state battery I have seen that you can actually purchase as opposed to the ones on Youtube that are always "right around the corner" do you know when it became available ? Enertec Marine has had solid state lithium-ion for a few months now. They no longer market or sell the liquid electrolyte lfp batteries in favor of the new technology. I can't find a source for the cells to DiY But I believe they are only available in pouches. https://enertecmarine.co.nz/product-category/batteries/lithium-ion-solid-state/lithium-ion-marine/ Quote Link to post Share on other sites
Frank 182 Posted June 2 Share Posted June 2 2 hours ago, CarpeDiem said: Enertec Marine has had solid state lithium-ion for a few months now. They no longer market or sell the liquid electrolyte lfp batteries in favor of the new technology. I can't find a source for the cells to DiY But I believe they are only available in pouches. https://enertecmarine.co.nz/product-category/batteries/lithium-ion-solid-state/lithium-ion-marine/ I was skeptical because a few months back Yoshino's advertised SS battery was exposed during independant teardown as still having some liquid electrolyte albeit it was only 3% I think. The companies' marketing department eventually admitted they got a bit carried away. This one however looks legit and there are one or two others out there so maybe we are finally at the beginning of the solid State era , good stuff ! Quote Link to post Share on other sites
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