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Re: How do you connect 30A MC4 Y connectors to 50A MC4?
You'll need something like this https://www.solar-electric.com/mnpv3.html to combine the panels, maximum two panels in parallel, any more than that, there is the possibility of a failed panel being b…1 · -
Re: Charge Controller Sizing / Panel / Array wiring
Two MPPT controllers cannot share the same array, but can feed into a common battery as long as the settings are the same and wired/fused independently to prevent conflict. Even two controllers from…2 · -
Re: Running my wood stove fan off panels/batteries
Your calculation is correct, which makes the fan extremely expensive to run with battery backed solar, without doing a calculation, using my daily consumption of~4.5 kW you'll need approximately 16×2…1 · -
Re: how to connect the pv panel and what is the size ?
The inverter needs to be large enough to not only run the pumps but also large enough to absorb the inrush current during starting. If both pumps are to be run at the same time, staging the starts so…1 · -
Re: Is a 40a mppt controller going to send too much current to a 230ah battery?
Bare in mind that the 5 &13% values are recommended minimum values, 5% being for occasional use, weekend use whereas 13% is for full time off grid, a lead acid battery can be charged at higher va…1 ·
