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XR4rider's avatar
XR4rider
Explorer
Feb 17, 2016

Can I get help with battery math...batteries-inverter-coffee

I was wondering if someone can help me do the math for running a Keurig mini single cup coffee maker off batteries. The Keurig says its 1400W. The machine, when plugged in, takes about 3 minutes to ma...
Ivylog's avatar
Ivylog
Explorer III
Feb 17, 2016
1400/12V= 167amps X 0.05 hours (3/60= 0.05) equals 5.85 Amp/Hours at 100% efficiency. Inverter at 85% increases the 5.85 to 6.88 AH... BUT 196 amps from your two batteries will probably pull the voltage down to where the inverter shuts off. Anytime you use that many amps (even for 3 minutes) I'd crank the generator or boil water with your propane stove.

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