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Showing results 1 to 8 of 8
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Posts Made By:
CarlD
Forum:
Electrical | Charging, Systems, Solar and Generators
07-05-2021, 07:44 PM
Replies:
45
DC to DC Charger with MPPT controller + lithium iron phosphate batteries
Views:
7,283
Posted By
CarlD
So I am glad you understand and agree with my...
So I am glad you understand and agree with my description of operation. Obviously you don't have constant voltage regulation and constant current regulation at the same time. Any person educated in...
Forum:
Electrical | Charging, Systems, Solar and Generators
07-05-2021, 05:39 PM
Replies:
45
DC to DC Charger with MPPT controller + lithium iron phosphate batteries
Views:
7,283
Posted By
CarlD
Here is another way to look at. Start with the...
Here is another way to look at. Start with the power supply set to some voltage. Load the power supply with a variable resistor. Set the resistor to a very large value. The voltage will be at the...
Forum:
Electrical | Charging, Systems, Solar and Generators
12-01-2020, 03:44 PM
Replies:
45
DC to DC Charger with MPPT controller + lithium iron phosphate batteries
Views:
7,283
Posted By
CarlD
Just one more thing. I'm starting to sound like...
Just one more thing. I'm starting to sound like Columbo. Don't over torque the screws on the battery terminals. I have heard of people twisting the terminals inside the battery. One of the reasons I...
Forum:
Electrical | Charging, Systems, Solar and Generators
12-01-2020, 03:32 PM
Replies:
45
DC to DC Charger with MPPT controller + lithium iron phosphate batteries
Views:
7,283
Posted By
CarlD
Ian, One other thing to consider. I looked at the...
Ian, One other thing to consider. I looked at the Scremower battery on Amazon. The BMS does not seem to have temperature protection. LFP batteries do not like to be charged if it is below freezing as...
Forum:
Electrical | Charging, Systems, Solar and Generators
12-01-2020, 07:57 AM
Replies:
45
DC to DC Charger with MPPT controller + lithium iron phosphate batteries
Views:
7,283
Posted By
CarlD
1. My biggest concern is the 20-20 amp charger...
1. My biggest concern is the 20-20 amp charger melting wires or connections. Make sure you keep an eye on the input current. I would recommend, as mentioned previously, running it at half current.
...
Forum:
Electrical | Charging, Systems, Solar and Generators
11-21-2020, 04:12 PM
Replies:
45
DC to DC Charger with MPPT controller + lithium iron phosphate batteries
Views:
7,283
Posted By
CarlD
Mel, I have a progressive dynamics, which...
Mel, I have a progressive dynamics, which Battleborn sells, in my camper. It is basically a constant current, constant voltage, 14.6 volt, 40 amp power supply. Per Battleborn, they say the...
Forum:
Electrical | Charging, Systems, Solar and Generators
11-18-2020, 12:31 PM
Replies:
45
DC to DC Charger with MPPT controller + lithium iron phosphate batteries
Views:
7,283
Posted By
CarlD
Here is another way to look at it. If you look at...
Here is another way to look at it. If you look at the specifications, the Renogy 20-20 charger will operate down to 8 volts on the input. Assuming 14 volts on the output at 20 amps, the charger will...
Forum:
Electrical | Charging, Systems, Solar and Generators
11-17-2020, 08:25 PM
Replies:
45
DC to DC Charger with MPPT controller + lithium iron phosphate batteries
Views:
7,283
Posted By
CarlD
I wouldn't anticipate any issues. I have 200...
I wouldn't anticipate any issues. I have 200 watts of PV, a 20 amp Renogy MPPT and a Victron 9 amp DC-DC charger between the TV and trailer, and it works fine. Set the MPPT and DC-DC chargers to the...
Showing results 1 to 8 of 8
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