-
Re: question on BlueSky 3000i MPPT controller and Trimetric 2030 meter
I think you can connect both the TM and CC shunt sense wires. AFAIK, they just measure voltage drop across the shunt - others here may know for sure. IMHO, it's not essential or even advisable to do …1 · -
Re: Battery Selection - System Sizing
Freight/distribution can be a big factor in battery costs. I'd probably go with whatever's economical locally. Trojan is well regarded, but I personally wouldn't pay a big premium over USBattery or w…1 · -
Re: Battery Selection - System Sizing
Battery bank sizing comes down to personal factors which are tough to capture in a calculator. A couple rules of thumb we use as a starting point: - max drawdown to 50% of capacity - capacity for 2 d…1 · -
Re: Battery Selection - System Sizing
Note that panel voltages need to be adjusted for temp. Voltage goes down with higher temp, and vice versa. Voc needs to be adjusted up for record low temp, and that voltage needs to be well under the…1 · -
Re: Battery Selection - System Sizing
To (hopefully) clarify the 24/48v thing... I wouldn't say either is necessarily "safer". High currents require larger wire, charge controllers, etc. Higher voltage can create and sustain ar…1 ·
