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Small Cabin Forum / Off-Grid Living / Low Voltage Watt Calculation
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paulz
Member
# Posted: 18 Dec 2017 11:56
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I made some jumpers to connect my meter to various stuff, in series and set the switch to 10 amp. I got the readings in the photos. I just have to multiply the volts times amps to get the wattage, right? Quite a spread on the LED lights, but the higher ones are brighter.
amps1.jpg
amps1.jpg


dsmith14469
Member
# Posted: 18 Dec 2017 13:07
Reply 


Yes, multiply Volts x Amps to get Watts. The other question is how are you converting the 12V to the 5V, that could be a drain also that needs to be considered.

ICC
Member
# Posted: 18 Dec 2017 13:08
Reply 


Simple answer, yes, volts x amps = watts

paulz
Member
# Posted: 19 Dec 2017 12:02
Reply 


Thanks guys. The 5v stuff is through an Anker 5 socket USB to 12v adapter. I put my meter before that and get a total reading, good idea.

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