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0 votes
0 answers
60 views

Gasoline generator + Peltier configuration

I have a DIY cooler box with Peltier element 12V/3A/27 watts and want to connect via power supply to gasoline generator with output 600W at 5A max. Would that be a problem and not supply my Peltier ...
Bonyo Bondov's user avatar
-1 votes
1 answer
71 views

Energy consumption Calculation

I work for a food processing plant and working on a project that calculates energy consumption. Am having a hard time converting information given by the manufacture to calculate the average kWh. ...
Daniel Salinas's user avatar
0 votes
2 answers
64 views

Microwave "power" vs "power consumption" [closed]

I'm looking at the specs for this microwave and it lists Power -> Microwave as 1,100 W, but then lower down it lists ...
RNdev's user avatar
  • 117
2 votes
1 answer
592 views

How is the energy consumption of a ciruit component calculated?

I know that watts are equal to amps times volts, and that watts are a rate of energy consumtion. I have looked at some circuits, but I am unsure of how the total energy use is being distributed. My ...
Scott V.'s user avatar
0 votes
1 answer
933 views

Constant Current Load ampere measurement

I have the following circuit that I am building, a constant current load): I am using a 9 volt battery and a 1.5 volt battery to power the circuit. My load under test is a AA battery. Based on this ...
user5139637's user avatar
3 votes
3 answers
132k views

How to calculate power consumption?

I have a Surface Pro 3 and am on the run a lot so I'm thinking about getting a deep cycle AGM battery to put inside my car so I have a constant power. I need to know and confirm some measurements ...
Mike's user avatar
  • 33
0 votes
2 answers
3k views

Rating 1.5V 50mA (MAX) what does it means?

I have an optic mouse that has in its specifications this: 1.5V -- 50mA (MAX). What does it means? Does it means it consumes 50 miliamps an hour? or the maximum consumption would be 50mA depending on ...
Matias's user avatar
  • 217
1 vote
3 answers
8k views

led light strips power consuption

I got one of these 5050 600 led light strips , according to the numbers it uses 12V at and 95 watts per 5 meters, that’s equal to 7.91 Amps, and they sent me a HUGE 10A power supply, everything seems ...
GoatZero's user avatar
  • 1,547
0 votes
2 answers
6k views

How long will it take to completely run out of power a Li-ion battery of 3.7V and 1000mAh, if the load consumes 16mA?

I'm trying to determine the exact time that run out power a Li-ion battery of 3.7V and 1000mAh. I'm using a load of 16mA. If I use the theoretical calculus: $$time=\frac{1000mAh}{16mA} = 62.5 \;...
Orlando's user avatar
  • 101