jodeb720
Aug 05, 2018Explorer
Solar Controller question
Evening all -
I'm up here with my cousin in ashland, or - helping him convert his dry TC to a somewhat livable space. We installed a sink, pump, fuse block, and other items today - and it's been highly successful!
He's got a solar panel and charge controller (Blue Sky 2000e MPPT) -and the name on the panel isn't visible from the top or sides.
It's a 12v 25amp max controller. He's got a single panel that's about 24 x 26 - and this afternoon in hazy sunshine (there's loads of fires nearby) it was putting out about 19.5 volts on my volt meter.
I'm not a solar expert by any stretch of the imagination - but I saw on the back connections for battery, PV, Thermometer sensor and the output voltage (max) as well as other settings.
What I was struck by was the size of the connectors on the controller. They are relatively small.
The wires from the roof are 10 gauge - and I know bigger is better, but we can't change those. The distance from the panel to the controller is about 8-9 feet.
The distance from the controller to the battery is about 10' and I'm planning on running some 6 gauge wire.
My question is this.
The screws to connect the Panel and the Battery are at be 8 gauge machine screws - how do you connect such small screws to the larger wires without sacrificing some voltage drop?
I have some crimp on adapters - and I can ciip down the width of the ring terminals to fit - but I don't know what I'm going to do for the 6 gauge wire to the battery.
Suggestions would be super helpful
Josh
P.s. Right now he's got some cheesy Deep cycle 12v battery - and when this one dies (and it will shortly because of poor charging and he doesn't have a good battery charger - all being remedied - he'll move to 2 GC2's.
Thanks so much!
Josh
I'm up here with my cousin in ashland, or - helping him convert his dry TC to a somewhat livable space. We installed a sink, pump, fuse block, and other items today - and it's been highly successful!
He's got a solar panel and charge controller (Blue Sky 2000e MPPT) -and the name on the panel isn't visible from the top or sides.
It's a 12v 25amp max controller. He's got a single panel that's about 24 x 26 - and this afternoon in hazy sunshine (there's loads of fires nearby) it was putting out about 19.5 volts on my volt meter.
I'm not a solar expert by any stretch of the imagination - but I saw on the back connections for battery, PV, Thermometer sensor and the output voltage (max) as well as other settings.
What I was struck by was the size of the connectors on the controller. They are relatively small.
The wires from the roof are 10 gauge - and I know bigger is better, but we can't change those. The distance from the panel to the controller is about 8-9 feet.
The distance from the controller to the battery is about 10' and I'm planning on running some 6 gauge wire.
My question is this.
The screws to connect the Panel and the Battery are at be 8 gauge machine screws - how do you connect such small screws to the larger wires without sacrificing some voltage drop?
I have some crimp on adapters - and I can ciip down the width of the ring terminals to fit - but I don't know what I'm going to do for the 6 gauge wire to the battery.
Suggestions would be super helpful
Josh
P.s. Right now he's got some cheesy Deep cycle 12v battery - and when this one dies (and it will shortly because of poor charging and he doesn't have a good battery charger - all being remedied - he'll move to 2 GC2's.
Thanks so much!
Josh