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Lithium Titanate (LTO) battery bank build.
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<blockquote data-quote="Boominburban" data-source="post: 8658712" data-attributes="member: 664509"><p>I did list the three known and tested charger/balancer/monitors that work with/have LTO profiles already. 1- Icharger X6, 2 - ISDT BG-8S( if you are charging at 2.5v per cell + only. which is 15v+ in a 6p configuration), 3 - Chargery makes one with a dedicated LTO profile as well.</p><p></p><p>Those are the three, that we know of, that have been tested and proven to work with LTO cells. And those are the ONLY ones proven to work correctly. These are NOT a BMS. </p><p></p><p>That is what the six blue and one gray wire are for coming out of my battery. One + off each pack of cells( so six for 6p), and one - . those connect to a charger/monitor/balancer unit.</p><p></p><p>I will be using Icharger X6 units.</p><p></p><p>And for those of you that don't know how to size bussing. There is an easy formula for aluminum, and copper. Aluminum will carry 700 amps per cross sectional inch of material. Copper = 1000.</p><p></p><p>SO, a 1" x 1.5" bar, up to 48" would work out like this; 1 x 1.5 =1.5 x 700 =1050 amps - 1.5 x 1000 = 1500 amps if copper</p><p></p><p>A 1" x .250" bar would work out like this; 1 x .25 = .25 x 700 = 175 amps if aluminum - .25 x 1000 = 250 amps if copper</p><p></p><p>This formula is ideal. For NO buss induced voltage drop, or heat build up. Will smaller work? Yes it will. But the smaller you go from here, the bigger the % of buss induced voltage drop gets as you get up to you peak amperage draw.</p><p></p><p>Think about that when you're trying to run a 7k amp off of those 1 x 1 bars, filled full of 1/0 holes, and wonder why you have voltage drop ....</p><p></p><p>[ATTACH]1647[/ATTACH]</p></blockquote><p></p>
[QUOTE="Boominburban, post: 8658712, member: 664509"] I did list the three known and tested charger/balancer/monitors that work with/have LTO profiles already. 1- Icharger X6, 2 - ISDT BG-8S( if you are charging at 2.5v per cell + only. which is 15v+ in a 6p configuration), 3 - Chargery makes one with a dedicated LTO profile as well. Those are the three, that we know of, that have been tested and proven to work with LTO cells. And those are the ONLY ones proven to work correctly. These are NOT a BMS. That is what the six blue and one gray wire are for coming out of my battery. One + off each pack of cells( so six for 6p), and one - . those connect to a charger/monitor/balancer unit. I will be using Icharger X6 units. And for those of you that don't know how to size bussing. There is an easy formula for aluminum, and copper. Aluminum will carry 700 amps per cross sectional inch of material. Copper = 1000. SO, a 1" x 1.5" bar, up to 48" would work out like this; 1 x 1.5 =1.5 x 700 =1050 amps - 1.5 x 1000 = 1500 amps if copper A 1" x .250" bar would work out like this; 1 x .25 = .25 x 700 = 175 amps if aluminum - .25 x 1000 = 250 amps if copper This formula is ideal. For NO buss induced voltage drop, or heat build up. Will smaller work? Yes it will. But the smaller you go from here, the bigger the % of buss induced voltage drop gets as you get up to you peak amperage draw. Think about that when you're trying to run a 7k amp off of those 1 x 1 bars, filled full of 1/0 holes, and wonder why you have voltage drop .... [ATTACH]1647._xfImport[/ATTACH] [/QUOTE]
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Lithium Titanate (LTO) battery bank build.
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