It depends on how many watts total your flex watt is. When I set mine up with 5' it took about 2 1/2 hours. When I doubled it it only took about 45 minutes.
The piece of flex I have in the cooler now is 11"X1 foot. It's been in there for about 6 hours now. Hmmm I don't think this is going to work.
---=ALLISON=--- "Not everyone is going to agree or listen to what you say but I have learned to do my best to educate and hope they listen in the long run. Just keep trying to educate. There will be people out there that actually do listen and learn. -Me"