rbertalotto Posted December 13, 2022 Report Share Posted December 13, 2022 A while ago I posted about my DIY Lithium Battery Heating system. So far, with temperatures at night reaching into the 20s (F), it has been working great. The batteries in the trailer have BMS with Bluetooth and it records the batteries average internal temperature. Staying around 40 degrees day and night. I wanted to know how often during the night the heating pad turned on. I installed a small LED on the outside of the trailer that illuminates when the heater is on. My "RING" camera security system records through the day and night and I can go back and review the video with a time stamp. I can see the light turning on and off. Last night it got down to 20F. The battery heater turned on for 7 minutes every hour +/-.....200ah batteries this morning are at 93%.....I'm very pleased with this performance... http://rvbprecision.com/rv-projects/lithium-battery-heating-project.html Quote RoyB South of Boston 2021 Dodge 2500 - 6.4L Forest River 19RR Toy Hauler Roofnest Falcon Rooftop Tent www.rvbprecision.com Link to comment Share on other sites More sharing options...
Ray,IN Posted December 13, 2022 Report Share Posted December 13, 2022 Thanks for the update information, I'm following your thread. It might be more convenient to place your updates in the same thread as the original. It will make easier reading for some members. Quote 2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG retired;Good Sam Life member,FMCA ." And so, my fellow Americans: ask not what your country can do for you--ask what you can do for your country. John F. Kennedy 20 Jan 1961 Link to comment Share on other sites More sharing options...
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