Let me tell you the stress I was going through to power my aftermarket system. I juggle for months deciding how to get more stable power in my 2016 audi A7. I couldn't get a aftermarket alt and I was told I was limited to lipo4. I have limited space in my trunk and I was told the electronics would go crazy on any other chemical and anything above 70ah lipo4. Sodium came in to play and I just pulled the trigger two 4p 4s set ups of Sodium and bam I was in buisness (i was terrified). Hear it is 5 months later I am running a 8k on my two 4s 4p Sodium set up and oem 180amp alt. I am always at 14.5-14.7 due to voltage regulator. I have never drop pass 14.3 weather driving or at idle. I have driven from NJ to MD beating on my system both ways and never drop pass 14.3 with no issues

Fun little build. Went from 2 AGM batteries in my trunk to this kit. Stock 110a alternator and this running a Skar RP4500 @1ohm and have almost no voltage drop.. customer service was top notch as well!

Would have been ten stars if I had received all my hardware and tho I was told what to do some instructions would have helped big time

Sodium Ion 8kW 4P 72Ah Battery Kit (with Sodium Ion 46145 Cells)

Great cells