Re: [RE-wrenches] Home grid stacked battery heating

2023-11-05 Thread Jerry Shafer via RE-wrenches
Wrenches I have also used the turtle heater and it's just enough to keep everything up and operating. Insulation and a warm thermal mass makes it all hold together Funtimes Jerry On Sun, Nov 5, 2023, 2:03 PM Allan Sindelar via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > I did this

Re: [RE-wrenches] Home grid stacked battery heating

2023-11-05 Thread Allan Sindelar via RE-wrenches
I did this modification to a 16kW Blue Ion LiFP bank during installation, following this guide, Darryl. Blue Planet had sent me this. Shortly after initial installation a plumber had installed an electric space heater in an unheated space with water pipes, which of course soon drained the

Re: [RE-wrenches] Home grid stacked battery heating

2023-11-05 Thread Kirk Bailey via RE-wrenches
Something else to consider is that many of the modern LFP batteries use a relatively large amount of power just to keep the internal BMS/contactor(s) energized, independent of whether the battery is being charged/discharged. For example, I believe the Fortress eFlex 5.4's use on the order of 12-20

Re: [RE-wrenches] Home grid stacked battery heating

2023-11-05 Thread Howie Michaelson via RE-wrenches
Daryl, Being in Vermont and dealing with lots of off-grid, occasional use systems, I'm definitely interested in others' experience with cold weather installations. Howie Michaelson Sun Catcher On Sun, Nov 5, 2023 at 3:03 PM Darryl Thayer via RE-wrenches < re-wrenches@lists.re-wrenches.org>

Re: [RE-wrenches] Home grid stacked battery heating

2023-11-05 Thread Darryl Thayer via RE-wrenches
Great site, Allan, but many facts still need to be included. Was there a discharge or charge going on? How much power was being drawn by the heaters? If this is for a standalone system, energy consumption is very important. What is the lower temperature cell discharge limit of Blue Planet?