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  1. R

    SOK Not for Outdoor Use

    I have two of the 206 AH SOK batteries in a self built steel shelf under the back of my 2015 Roadtrek 190P motorhome. These are located where the Onan generator used to be located, using the same frame mounted side supports and 1.25 inch angle steel to support the bottom of the shelf. The SOK...
  2. R

    LiFePO4 Battery Locations in RV

    I can place a clamp meter between the rear battery and the common positive connection point, or between the connection point and the 3000 watt inverter. As soon as I can, when the temperature is above freezing and the rain/sleet ends, I will test again with the clamp meter. Before I purchased...
  3. R

    LiFePO4 Battery Locations in RV

    I appreciate your thoughts on this. One battery is about 10 feet from the common positive connection point. The second battery is less than three feet from the common positive connection point. I have ordered the third SOK battery, and it will be right next to the current rear battery. Roadtrek...
  4. R

    LiFePO4 Battery Locations in RV

    So adding a third SOK 206 AH battery (to 618 AH total) would help. Maximum charge voltage is set at 14 volts. Initial voltage at the time of the test was 13.6 on a cloudy day. Any opinion on battery connection differences?
  5. R

    LiFePO4 Battery Locations in RV

    I installed two SOK 12 volt 206 AH batteries on trays under my Roadtrek 190 RV in September 2021. I live in Pennsylvania, and so far, the various charge and BMS systems seem to be dealing with the cold below freezing weather just fine. My question involves battery capacity and locations, so some...
  6. R

    SOK Not for Outdoor Use

    Yes, I know that is an issue. I am depending on the quality of the SOK BMS low temp charge cutoff, the Epever 4210 low temp charge cutoff, and the Victron 30 Amp DC-DC Charger to do what they all said they were capable of doing when the PA winter temps drop below freezing. Any failures, and I...
  7. R

    SOK Not for Outdoor Use

    I purchased two of the SOK 206 AH batteries in September 2021 and mounted both underneath my 2015 Roadtrek 190 Popular RV, both high up close to the floor. One is in the front battery tray roughly under the driver seat replacing two plastic case AGM batteries, and the second is in a new shielded...
  8. R

    Programming SOK 206AH lithium battery with MT50

    To avoid the Parameter Errors, I set the Over Voltage Disconnect to 15.3 V, the Low Voltage Reconnect to 11.3 V, the Under Voltage Warning Reconnect Voltage to 12.2 V, and left the Boost Duration at the default 120 minutes. The MT-50 accepted and saved these and the other settings recommended by...
  9. R

    Programming SOK 206AH lithium battery with MT50

    Thank you for posting this information. I also have two SOK 206AH batteries under my Roadtrek RV where the overnight Pennsylvania temps dip into the 20's (F). I also use the MT-50 monitor with the Epever 4210AN SCC. Until today, I was running with the SEALED default settings, and everything...
  10. R

    SOK batteries replacing AGM batteries in a Roadtrek 190

    I wanted to update my first post. Five days after the SOK installation in my Roadtrek, everything is good and questions have been answered. Battery voltage is stable at 14.2 and the shore power charger rarely operates for more than a minute because the solar charger is maintaining the batteries...
  11. R

    SOK batteries replacing AGM batteries in a Roadtrek 190

    I am new to this forum and posting questions. I have a 2015 Roadtrek 190 Popular motor home with factory installed solar panels. In preparation for new batteries I replaced the original Epever Tracer solar charger/controller with a lithium capable Epever Tracer 4210AN charger/controller with the...
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