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Lithium batteries
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<blockquote data-quote="adulbrich" data-source="post: 8767135" data-attributes="member: 661255"><p>I did notice the Lishen cells were rated at 18Ah. I never run a system without the vehicle running, so I'm not concerned with reserve capacity.</p><p></p><p>After posting another thread, I'm planning to just get a Taramps Smart 3k.</p><p></p><p>I'm surprised that you don't run a balancing circuit. I thought that was critical when running multiple lithium cells in series. Extreme overcharging of one cell could lead to catastrophic failure. A balancing circuit would theoretically even out cell voltages, lessening stress on any one particular cell, correct? I know it's not fail-proof. The wires are pretty thin, and I doubt much current could flow through the circuit board to help balance cells while they're in use. It's more to balance things when the cells are not in use, right?</p><p></p><p>Max voltage on the Taramps Smart 3k is advertised at 16v. I plan on running my Ampere 125.4 or DC 175.4. Both of those should handle 15.5v. I was charging around 15.3-15.4 in my truck. The Civic's electrical should be ok at 15.5v. Unfortunately, I sold my external regulators. The only audio stuff I have left is my Alpine headunit, Ampere 125.4, DC 175.4, quad alternator bracket, Three GP audio 390A externally regulated alternators, wiring, and other electrical odds and ends like terminals. Otherwise, I'm starting this next build from scratch.</p><p></p><p>Fingers crossed, I'll be graduating this year. I've accepted a position as a project engineer, starting this December. I'll have some extra spending cash after I finish school and start the new job, so I kinda wanted to get back into audio.</p><p></p><p>I have some metalworking tools, so I was thinking about counterboring the bus bars to fit around the base of the studs:</p><p>[ATTACH=full]32980[/ATTACH]</p></blockquote><p></p>
[QUOTE="adulbrich, post: 8767135, member: 661255"] I did notice the Lishen cells were rated at 18Ah. I never run a system without the vehicle running, so I'm not concerned with reserve capacity. After posting another thread, I'm planning to just get a Taramps Smart 3k. I'm surprised that you don't run a balancing circuit. I thought that was critical when running multiple lithium cells in series. Extreme overcharging of one cell could lead to catastrophic failure. A balancing circuit would theoretically even out cell voltages, lessening stress on any one particular cell, correct? I know it's not fail-proof. The wires are pretty thin, and I doubt much current could flow through the circuit board to help balance cells while they're in use. It's more to balance things when the cells are not in use, right? Max voltage on the Taramps Smart 3k is advertised at 16v. I plan on running my Ampere 125.4 or DC 175.4. Both of those should handle 15.5v. I was charging around 15.3-15.4 in my truck. The Civic's electrical should be ok at 15.5v. Unfortunately, I sold my external regulators. The only audio stuff I have left is my Alpine headunit, Ampere 125.4, DC 175.4, quad alternator bracket, Three GP audio 390A externally regulated alternators, wiring, and other electrical odds and ends like terminals. Otherwise, I'm starting this next build from scratch. Fingers crossed, I'll be graduating this year. I've accepted a position as a project engineer, starting this December. I'll have some extra spending cash after I finish school and start the new job, so I kinda wanted to get back into audio. I have some metalworking tools, so I was thinking about counterboring the bus bars to fit around the base of the studs: [ATTACH type="full" alt="32980"]32980[/ATTACH] [/QUOTE]
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