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Re: "Cooling" with button fans.
Are those the "o2 Cool" fans that run on 8 D cell batteries or 120Ac to 12 Vdc wall wart?1 · -
Re: Clamp meter indicates 4 of 18 panels are now defective after 4 1/2 years.
The strain relief on the junction boxes of those questionable BP Solar panels was inadequate. Many of the failed panels would show voltage readings that jumped all over the place when the bad lead wa…1 · -
Re: Solar panel math assistance
Find the specs for charging your batteries. Hopefully they are deep cycle. Best to charge them at the mfg. specs. 55 volts sounds a bit low. 58 seems about right but that will be proven in the mfg. s…1 · -
Re: Please critique my plans
The blue one works great. Done many hundreds of crimps, if not tens of hundreds. Photowhit is right about the other type. They don't work as well. There's some tutorials on youtube walking …1 · -
Re: Please critique my plans
Absolutely not! The voltage I just showed you in a series string of 12 will be lethal . You could run TWO strings of 6 panels into each controller. Whether it is cost effective for you to use such hi…1 ·
