Kat's Heaters Battery Heating Pad for Series 27, 31, and 40 Batteries - 120V - 60 Watt

The product is exactly what I ordered. Three day shipping didn't turn out so well but, etrailer refunded my shipping for three day. That's very good customer service. I'll order from them in the future.452046

by: William12/13/2018

easy to install and keeps the battery healthy in below freezing weather.590513

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by: Daniel10/13/2023

I assume it works. Based on the product instructions I plugged it it when it was really cold and northern Minnesota can get really cold. I assumed the warmth could be felt on the outside on the bottom of where the batteries are, I think it was warmer, maybe? At the end of the really cold part of winter the batteries didn't freeze, so I guess it worked! It came when it was supposed to and came to my house. Previously, going with another company, it was shipped 200 miles away from me, what a pain.1680870

by: Jason08/16/2023

I used this through a winter in the north where it regularly is at subzero temperatures. Truck always started without any issues. I also had heat pads on the oil pan and transmission that I bought from etrailer. At -40+ degrees the truck always started relatively easy.1648118

When my battery heater went out on my Generac 20KW stand by generator, I used this heater from E trailer used thermostat and wire connector from old unit they were still good, Generac wants about $80.00 for new this is much more economical.

John470297

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Already had one and it works great, really helps save your battery on cold days and makes starting/cranking speeds faster instead of the slow crank you get when your battery is cold, i consider it a must have for winter where we get to -20 easily. The last one I got was from another site and cost at least 20% more there, so definitely happy I could get the same product for cheaper here.452692

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Just as advertised. This Kat's battery heater will be keeping the battery warm in a whole house backup generator for when it gets real cold here in northern Wisconsin. It's connected to a thermostatic switch that's set to turn on at 10 degrees. 539869

Cust. service is top notch. Thank you for contacting the USPS to locate my package. It got their attention. They were reluctant hand it over. After speaking with the Postmaster we finally received our Kat's battery heater. Made in the USA. Thank you for your much valued time for all your wonderful agents in your customer service dept. Also, it was packaged very well & arrived in great shape.1350553

by: Mark 12/06/2020

Very good product. Worked fiawlessly. Used it for a re-conditioned battery which begins to freeze @ about 15 - 16 F. Kept it from freezing overnight on several nights. Also purchased a battery pad heater for another car with a slightly larger battery. The pad heater did the same thing perfectly. If you live in the northern parts of the US and want to use re-conditioned batteries (Epsom salt & distilled water) over the winter, these heaters are essential for protection from freezing. Thanks etrailer.920154

by: Hank 01/05/2020

Heats up well and keeps battery's warm, just the ticket for diesel pickup trucks on sub zero days. Combined with a block heater even the coldest mornings are no trouble.735874

by: Bradley01/02/2019

We placed this unit into a Generac 20kw standby generator. Unit is controlled by a thermo switch on at 0 degrees F / off at 30 degrees F. Works fine to keep the unit ready for any power outage. We used a piece of 1/4" coated plywood between the heater and the battery to prevent overheating the battery bottom. This is the 5th similar installation. Others have been in service for 6+ years.594480

by: Bruce06/29/2020

The battery warmers I ordered from etrailer was just what I needed to protect my boat batteries from the ice cold temperatures this past winter, since I couldn't store them inside. They worked perfectly with an thermal switch.
Thank you etrailer for a great product.824534

by: Tom 12/30/2021

Very warm, your battery thinks it’s Jul y!1234814

by: Alvan01/07/2022

Have bought two Kat's battery heaters over the past 5 years. Both worked fine for a year or two and then burned out-quit working. Am on my third now from another company. Worked fine till they didn't. Am going out today and check on the new one. 20 F tonight. Have it on backup generator.1238842

by: Francis12/08/2019

the heater pad burn out about 30 days after I installed it junk im not happy with that at all730233

by: Charles12/17/2018

Great product. We use these on agriculture machines. Has kept our batteries warm and we have not experienced any battery swelling issues (due to cold weather). Product was easy to install and has performed well. No complaints!!!591396

Jonathon at eTrailers help me verify this product would work in a 2013 Hyundai Santa Fe AWD 2.0T.

Installation was done by a 3rd party for free.

We've had days of -20 to -30 C weather a few times now this winter. Works as it should.332124

by: Erik11/16/2018

Great heater, works as advertised. Fit my 98 Jeep Xj perfectly. I bought it last year to try and salvage a week cranking battery when it was cold. Well, a year later I'm wrapping up the same battery for the cold months ahead! Save the strain on your bat with a Kat!583384

The battery warmer gets quite hot it seems. I intend to run this without a timer overnight. Is this going to burn out running for 12 hours at a time584476

Great product and very fast shipping t hanks1555473

Needed a heater for the batteries in our semi to keep them from freezing. Shipped quickly. Showed up packaged well. Installation was easy. Seems to be a well made product. etrailer is a great place to order604689

by: Andrew 12/28/2021

Awesome unit. I use it for my electric golf cart to keep the batteries warm during the winter months.1232934

by: Mike12/06/2022

Works great, perfect size because i can only wrapped 3 sides anyway. Big difference when battery is on the weak side too1479537

I installed this battery blanket right after I received it and had our first sub-freezing temps shortly afterwards. You can definitely tell the difference when cranking over the motor. Works as I had hoped it would.1225905