-
Re: Battery pulling down panel voltage???
PWM controllers connect the PV (a limited current source) directly to the batteries (a nearly infinite sink) so when the batteries are low, the panels will read the same as the battery voltage (the c…1 · -
Re: Trying to set up a system
if it's a pool pump with grid power, you are better of with a) buying a high efficiency 2 speed pump (3 year payback) b) installing Grod-Tie solar to offset the pumps usage. (10-15 year payback)1 · -
Re: Help.. New to solar energy. . Dont want to get the wrong stuff
Assume 18 watts of LED lighting will brighten up the interior of the camper, leaving a round 200w for your gear. Better to guess a bit high, then too low and black out in the middle of a movie, or wh…1 · -
Re: charging a second battery bank , with dump load from a pmw
Remember, the dump load is critical, and prevents either/both the batteries being overcharged or the turbine spinning unloaded and disintegrating. A 100 gal water would be a minimum load, and remembe…1 · -
Re: Energy management on a sailboat
That's a very meaty and technical post, I'm halfway through the 1st part. Thanks Like Dr. House says : Everyone lies. Especially when they can sell you something At 375 pages, and starting in 2011, …1 ·