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Re: Powering a small vent fan directly from a panel
On ebay you will find suitable buck converters that include a manual "MPPT" adjustment. While really just an input voltage drop limiter, it prevents the voltage collapse that you can get wi…0 · -
Re: Limiting Flow on AC voltage - Grundfos 11 SQF 2 pump
Gotta love people who say that you are wrong without bothering to learn what was said.0 · -
Re: -_- 32cells 15.9 volts in the garbage ?
Go ahead and put your 130ah battery in parallel with your pair of 210ah batteries. For panels, I would stay parallel and use your PWM controller. 15.9Vmp is enough for a 12V battery, even when warm o…0 · -
Re: Are Lithium Batteries the way to go?
It takes very little energy to heat a well insulated battery box. So you could wire a single panel directly to a small, thermostatically controller heater. This resolves the chicken/egg problem if an…0 · -
Re: So riddle me this! CC, battery charging vs's actual PV outputs
There really isn't a right answer to "how many days do you want to operate without sun or running a generator". > how can roughly 7KW in panels manage to keep a battery bank of this size…0 ·