Re: [RE-wrenches] LFP Battery Box Heating

Tue, 25 Nov 2025 13:11:02 -0800 

I have used digital reptile heaters be fore heated batteries came out. Works 
great about 30 watts each
I used one in between each battery pack

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Terrarium heaters
They make flat heaters in all sorts of sizes that you put below the battery.
I use a thermostat to control it.

Inexpensive and works

Jay

On Nov 25, 2025, at 1:06 PM, Steve Higgins via RE-wrenches 
<[email protected]> wrote:


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


[https://storage.googleapis.com/bucket-images-sig/RollsbySurrette.jpg]
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On Tue, Nov 25, 2025 at 11:59 AM Amanda Potter via RE-wrenches 
<[email protected]<mailto:[email protected]>> 
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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