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I have a couple of questions about a new build I'm putting together. I'm switching to my system to all lithium and will be eliminating my agm. I see everyone say that if you put lithium and agm together it will blow your alternator. Is this true? Also is it safe to start your car with lithium batteries? And is it recommended to purchase a bms for these deafbonce lithiums I got? https://alphardaudio.us/products/lithium-battery-lt-lfp-300p My system will be at around 9k watts powering 2 custom made 18 inch pierce audio 4k 12 magnet neo subs. My alternator is a 240 amp mechman,

Have a 2017 Infiniti q50 which has about a 170 amp alternator. Amplifier is rated for 2k at 1ohm wired down to 0.5 ohm for box rise. My previous system had an upgraded alternator to account for the extra battery. Not looking to upgrade the alternator on this route. Looking for lithium to run along my AGM battery in the front. What ah/type should I be looking to replace the heavy (66lbs) while also saving space in my trunk.

Hi! I'm rebuilding my Punto for next year events. I bought it 5 years ago so let's start from there: First system including Ultimate T2 12" subwoofer, Twister TW1000 "1000W" amplifier and Hertz low end 6,5" coaxials and JVC head unit. Then there was Pioneer DEH-P5100UB head unit, better Hertz 6,5" coaxials with Focus Acoustics Formula FX-4150 amplifier, SPL Dynamics XTR-380D2S 15" subwoofer, Focus Acoustics Formula FX-1500D 1500W amplifier and Optima 55Ah battery. In the next step I upgraded speakers to 6,5" Hertz Energy ESK163L.4 3-way component system, made bigger and better