- Need help with battery selection for portable speaker
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Need help with battery selection for portable speaker
Hello, I have built what I hope to be a portable bluetooth speaker. It has a total of 7 speakers in this configuration 3 for the left and 3 for the right channels wired parallel giving me just under 15 watts per side with a 4 inch woofer running under 30 watts. The amp is 50x50x100 but when it runs at 12 volts it is under 15x15x30 watts. I know it draws more than 3 amps . It will run off a wall wart no problem but the 6800maH 12 volt battery I bought shuts down if I hook it up.
Any suggestions for the smallest battery I can get to run at least 3 hours at high volume?
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