I am trying to figure out if I need more battery power. I am wanting my system to play for 3-4 hours straight at a very loud volume. Currently, I have 4 Stinger Electronic SPP1500D batts on the stereo alone. I have two other reserve batts for starting the boat. I have the following amps:
JL 500/1
JL 450/4
JL 300/2
JL 300/2
JL 300/4
I just added two more batts and am trying to figure out if I should add two more. When it had just two batts powering it, it would play for about 1.5-2 hours before it would start to die. Is there a formula or a way to figure it out?
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