Battery power is one of the key essential components of a powerful efficient system. In fact it determines if your system can operate at full capacity. There are many great secondary battery options depending on what you have in your ride. I picked the best ones that I have seen on the market that will surely work for you!
In this video, I gvie a quick walkthrough of the best secondary batteries on the market!

The featured products can be found at down4soundshop.com in the links below!

DOWN4SOUND | D4S LTO 6.0 - 12V Lithium Battery ( 3000 - 5000W )
https://www.down4soundshop.com/down4s...

DOWN4SOUND | D4S JP40 - 12V Lithium Battery ( 6000 - 12000W )
https://www.down4soundshop.com/down4s...

XS POWER XP3000 - 12V BCI Group 31 AGM Battery
https://www.down4soundshop.com/xs-pow...

XS POWER | D7500 | 5000W / 7500W
https://www.down4soundshop.com/xs-pow...

XS POWER - D3400 | 2500W / 4000W
https://www.down4soundshop.com/xs-pow...