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Is a 12v MPP all in one enough for what I need?

Tom_310

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Joined
Jan 22, 2020
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I am currently trying to do a setup to power some filters for a fish tank and lights for a tortoise enclosure, I will be using rough 600w and will need power continuously(24/7). The lights will be on timers so not all with be running at the same time so power needed will change throughout the day. I really would like to know if a 12v MPP system will be okay for that type of setup. also i already have one 100w solar kit from harbor freight could i just get a couple more of these to provide sufficient solar power.
Welcoming all suggestions
Thank You.
 
The 600w is the total watts of all the items being plugged in.

Will give the kilowatt meter a try. thanks.
 
I really would like to know if a 12v MPP system will be okay for that type of setup


On second thought...it looks like that can only handle 500w input? Don't order it yet until you confirm your actual load with a meter.

The problem is, with a 24/7 500w load you'll need a huge battery, like 12v 500ah just to make it through the night. Then you'll need to charge that battery back in less than 5 sun hours = 100amp charge (1200w). Plus, it has to charge AND power the loads during the day at the same time (500w). So you'd need 1700w from the solar panels.

You can see this gets ridiculous in size and cost for that load so it's very important to see what you really need. Get a Kill-o-watt or similar and do some tests before buying any solar equipment. It will save you a ton of headaches and wasted money later.

 
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