adiward
Newbie level 4
Hello there, i have a problem, im trying to make a portable speaker 2x15w everything is fine expect the battery, i have 4x 18650 2400mAh 3.7v and im running the amplifier at 14v using a dc dc booster (amplifier except 10v to 25v) and it can t run them, do i have to change the booster or the batteries?