I have a similar setup. A 100 ah LifePo4 battery, 1000 watt inverter, 20 amp pwm charge controller, 2 ea 100 watt solar panels. My garage frig has a 50/50 run/off and draws 70-80 watts off the inverter. Inverter is pure sine wave and draws 13 watts continuously. I started out using one panel and it couldn’t keep up. Two panels will run my system indefinitely as long as I have good sun for 6 to 8 hours.
I'm impressed with that freezer. For it to stay below 10 degrees in that hot garage is awesome. I bet more battery power was used on the inverter's parasitic draw than what the freezer actually used.
Now remember: Once you fill that freezer up, the efficiency will increase alot, decreasing your power draw. and ofcourse colder months will help out the efficiency even more.
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Yes, kinda why I did it this way. I wanted a worse case scenario, but I’m doing another test right now with the freezer “full” and a 200 watt panel helping out to see how long it will run. Be posted soon
Great content, I'm in the process of hooking up a 200 ah Timeusb LifePo4 battery I am sure that it will be much better then the AGM batteries that I have been running 😎😎
Excellent review .I’m not sure but if you isolate the freezer with some playbook or others materials outside maybe could last longer the charge of the battery .thanks for the information .I think every person would need to have a system like this in case of an emergency .
WOW! What else can I say! I am definitively buying one of those batteries as soon as I can, it will be soo interesting to see hpw that small system behaves when you add the solar panels and at the same time you have the freezer connected. I do have one question, does the Fridge you have in the garage have the same power consumption as that freezer? :) Great Work!!!
Yes, exactly. That’s kinda why I ran the test this way so I could get a “worst case” scenario. So hopefully, if I do ever have to use this setup in a blackout situation the freezer will be more full and I’ll get longer run time👍🏻😃
Yup! But that’s why I decided to run the test this way…basically this is worst case scenario and the hardest for the battery. I’m building another unit and going to test with a filler freezer and a 200watt solar panel hooked up. 👍🏻
That video is soon to come. Bug this is a big battery and I only gave a 200 at panel. So honestly, would take days to fully charge this battery without any draw on it.
this fridge is pricy, but can work as refrige . others you need external thermostat it plugs into. but be carefull the cheap freezers are china brands they work in a narrow range of temps dont like cold some need 50 f also don't like hot so they are not garage ready. ge Hotpoint and several familiar names are ok too. read owners manual some are even marked garage ready. like to see how long extra if even 100 watt panel. also a full freezer will use less also where the freezer is located if you keep the garage door open and sun hits it will use more power i sugest any location sun might hit a freezer never good but buy a white one to reflect heat away
True. And for this “test” I wanted it empty to give kind of a “worst case” scenario. I put out a 2nd video with the freezer more full and a 200 watt solar panel as well. 👍🏻
