I would like to know how to calculate battery life when using an LED strip. The LED strip is powered by 8 AA batteries in series. LED Current Draw = 260 mA. LED power consumption: 3.1 W. LED Operating Voltage range: 9-14.8 VDC. Please see attached images for battery datasheet.
This is my calculation, but I'm not sure if it's correct:
Battery Life = (Battery Capacity)/(Load Current) = 2000 mAh /260 mA = 7.7 Hours
This is for one battery, and the lights are powered by 8 batteries, so is the total battery life = (7.7)x(8) = 61.6 hours ?
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