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Post by solardad on Oct 4, 2017 19:22:24 GMT -8
Hello,
I have a 12v 50AN lithium phosphate battery which I will connect to a Renogy 20A charger. Two 6 AWG cables came with the battery. I plan on using 10 AWG wire from the charger. My question is this. Will I be degrading any voltage/amps if I use Anderson plugs to connect the 6 AWG wire to the 10 AWG wire? I'm only thinking of doing it this way to have a quick disconnect for the charger, though I know I could use 10 AWG the entire way. However, I can't see wasting two 6 gauge cables. Your thoughts?
Thanks.
Chris
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Post by rabird on Oct 5, 2017 3:51:10 GMT -8
every connection along the route is resistance. connection at the battery, charger, every one.
The other 'issue' is distance. Of course the longer a wire the more resistance, this is also true for smaller wire (smaller wire of the same distance = more resistance).
Impossible to rid all resistance but good clean tight connections help and shorter lengths & bigger wire help.
A single anderson connector will not be an issue. Distance can. Your combination of 6 & 10 will be better than the same length of 10 IMO.
If we are talking about a charge controller, there are some that come with a remote battery voltage sensor that reports actual battery voltage to the controller and the controller adjust from this actual battery voltage.
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Post by 2step on Oct 10, 2017 2:34:35 GMT -8
I am confused!! I have 2 (12v)100watt Renogy solar panels, 12volt battery bank, 3000 watt pure sine wave inverter (12v), and a tracer 4215BN 40 amp MPPT charge controller (12v/24v). my question is: can I hook my solar panels in series so that the voltage is higher even though my inverter is only a 12v input inverter? My controller is both 12v and 24v so I know it is ok but was concerned with inverter only being 12v. Wasn't sure if the controller would step down the volts for the inverter and 12v battery or not. Anyone help me here??
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Post by rabird on Oct 10, 2017 3:48:38 GMT -8
2step, you can hook your panels in series with the MPPT controller.
The controller when hooked to the battery will decided you have a 12v system
An Mppt controller can find the max power point of the series connected panels and transform that to charge the 12v bank.
The inverter should be hooked up to the battery.
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Post by tattoo on Oct 10, 2017 5:43:59 GMT -8
How many batteries are in your 12v bank? Why do you have a 3000w inverter? Is your system hooked up now or are you trying to figure it out??? More info is needed.......
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