Space_cadet
Well-Known Member
Been dreaming of a 12 to 48v offgrid style solar powered indoor set up.
I actually think it is feasible, expensive but possible
Hypotheticaly i will use a 1000w system for an example
I know you can get 12v to 60v 5w (possibly higher wattages i havent resrearched) leds, use these to build a light pannle equivalent to 1000w
Sorce d/c fans and ect
Iv got an ebike and the battery is 48v 20amp, i know this is roughly 1000 watt hours (meaning it will run 1000w for an hour). Being lipo ion you can use all the power stored without damage or voltage drop. You will need 18 of these to run a 48v 1000w set up 18 hours and one maybe 2 more to run fans and ect, you will need to tripple that for back up power incase of cloudy days.
Hook this up to a 48v solar regulator made for lipo batteries (there out there) hook that up to the equivalent numbrr of solar pannles to charge the batteries in half of your shortest day (meaning double the amount solar panels normally needed, should give you the extra charge needed on cloudy days to keep you 100% out of trouble).
Why not just use an d/c to a/c inverter you ask..... because you lose power during converting meaning you need extra batteries, take that out of the equation and you get use 100% of the current used
Why 48v? You can store more power (watt hours) in a 48v battery than you can with 12v
An there you go probably be like 5 to 10 grand build, but with power prices these days........
I actually think it is feasible, expensive but possible
Hypotheticaly i will use a 1000w system for an example
I know you can get 12v to 60v 5w (possibly higher wattages i havent resrearched) leds, use these to build a light pannle equivalent to 1000w
Sorce d/c fans and ect
Iv got an ebike and the battery is 48v 20amp, i know this is roughly 1000 watt hours (meaning it will run 1000w for an hour). Being lipo ion you can use all the power stored without damage or voltage drop. You will need 18 of these to run a 48v 1000w set up 18 hours and one maybe 2 more to run fans and ect, you will need to tripple that for back up power incase of cloudy days.
Hook this up to a 48v solar regulator made for lipo batteries (there out there) hook that up to the equivalent numbrr of solar pannles to charge the batteries in half of your shortest day (meaning double the amount solar panels normally needed, should give you the extra charge needed on cloudy days to keep you 100% out of trouble).
Why not just use an d/c to a/c inverter you ask..... because you lose power during converting meaning you need extra batteries, take that out of the equation and you get use 100% of the current used
Why 48v? You can store more power (watt hours) in a 48v battery than you can with 12v
An there you go probably be like 5 to 10 grand build, but with power prices these days........
