[RE-wrenches] LFP Battery Box Heating

[Steve Higgins]

I have heard of success from some using concrete curing blankets...

Something like this..

https://www.homedepot.com/p/Powerblanket-Insulated-Heated-Concrete-Curing-Blanket-3-ft-x-4-ft-Fixed-Temp-100-F-Cures-Concrete-2-8x-Faster-in-Cold-Weather-MD0304/305262566?source=shoppingads&locale=en-US&srsltid=AfmBOooWsz9ydnFCQqGmhiwcQwnsiBRsvA0cq7cs26sf8Ktx1P9fc9dXPZM


*Steve Higgins* *⋅* *Technical Services Manager*
*t* +1.902.597.4020   *m* +1.206.790.5840
*f* +1.902.597.8447   *e* steve at surrette.com
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On Tue, Nov 25, 2025 at 11:59 AM Amanda Potter via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Hello all,
> I’ve been reading past posts regarding Battery Box Heating & am trying to
> find a simple way to heat an OSB insulated box for various LFP type
> batteries.
>
> One Battery Company’s tech support said he uses (at his own home) a 110vac
> incandescent bulb plugged in to a thermostat (inexpensive) that lets him
> heat between 32 & 50 degrees F.
>
> I had somebody suggest the same thing with some Christmas lights.
> The box & inverter & C.C. are in an un- heated garage on the Canadian
> border of NY. ( It can, & does get pretty cold up here.)
>
> Any suggestions?
>
> It’s Off-Grid & the owners want their Starlink & Security Cameras to be on
> year round.
>
> Thanks ahead of time!
> And, Happy Turkey Day!
>
> Amanda Potter
> Energy Storage Systems
> NABCEP PVIP
> Adirondack Battery & Solar, LLC
> (315) 212-2114
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