Soundquest SQB2000 Power Battery AGM Design High-Performance Energy Cell with Removable Brass Posts

The Soundquest Dower battery is not only an ideal secondary battery for audio, but also it is powerful,  affordable and makes car music sound perfect with its 2000 Watts.

Owing to ACM technology, it runs up to 2000 Watts, without causing audio problems such as flickering lights, and it is highly durable. There is no need to add a capacitor as it saves energy, 33AH and can be recharged with anything. On the whole, this is a good secondary battery at a good price.