Renogy self heating lithium battery

[noteven]

2 hours ago, Wrknrvr said:

Last week I was on a service call to a island on Flathead lake in Montana. I did a filter change, spark plugs and oil on a Onan generator.

  The generator is not on auto start for the system. And no power lines to the island.

 

  Now I am wondering if there is snow cover on the solar. Home will be shut up at the end of October till April. With cold temperatures possible could these batteries have a problem.

 

  Trying to learn about such subject as some people store there rv’s over winter in really cold weather. So could this be a concern.

 

  Trying to learn,    Vern 

Me learning too Vern.

As JohnT mentioned the BMS in that cottage system should not allow charge through to the battery cells if they are below a safe temperature. 

LowOnCash ^ explains why Li batts can store without top ups

Edited September 23, 2021 by noteven

[Randyretired]

The original battery compartment on our 5er was small so I moved it to a larger compartment.   I insulated it and drilled some holes to allow heated and cooled air to circulate.  To make sure the batteries can charge in cold weather I also added a small inexpensive, thermostat and heating pad just incase.  The BMS also has cold temp shut off.  Many people put these batteries inside in a closet or under their bed.  I have 800 amp hours at 12v but we need more to heat with the mini split.