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$200 Cheapest (Low Cost) SELF HEATING LiFePO4 100 BATTERIES

Self-heating LiFePO4 batteries are necessary for use in non-climate-controlled areas that go below freezing. Charging LiFePO4 batteries below freezing will damage them and reduce their capacity and lifespan. At a minimum, the batteries should have low (and high) temperature cut off (the BMS should control this, but not all do). Even with a low temp cut off, the battery can't be charged without heating it up first, so you need to add a heater pad or some heat source to the battery.


Self-heating batteries are a little more expensive, but solve the issue of charging below freezing.


The least expensive self-heating 100Ah LiFePO4 battery I have found is this one. It and the associated brand appear to be brand new and there are no reviews anywhere except for a few on Amazon. It's a big risk to buy it, but the investment is a lot less than the more expensive batteries.

  • $209 - SUNRICH ENERGY - 12V 100Ah Self-Heating LiFePO4 Battery BCI Group 31 Lithium Battery Built-in 100A BMS w/Low Temp Protection

    • It claims "equipped with dual-layer heating pads totaling 100W. It can heat the battery from 41℉ to 50℉ in about 30 minutes, twice as fast as products with only 50W heating power. Perfect for the chilly winters across the US (except for a few extremely cold days)." At least they are honest about the extremely cold days. Adding some thermal insulation around the outside maybe benefficial, like a carbon fiber blanket.

    • 【Low Temperature Cut Off】SUNRICH ENERGY lithium batteries feature smart BMS for cold weather protection. If the battery temperature drops below 32℉, charging stops; once it rises above 41℉, charging resumes. If it falls below -4℉, the low-temperature shutdown prevents discharging, safeguarding the battery from cold damage in harsh winter conditions.

    • Measures 12.8" x 6.6" x 8.5"




I purchased 2 of these batteries and when I recieved them, the box was taped up with RICH SOLAR tape and RICH SOLAR labels. So SUNRICH is a sub brand of RICH SOLAR (the connection is so obvious now 😂). RICH SOLAR is an established and reputable brand of solar power and battery products, so I would expect the quality of these batteries to be to par with with their other products, and better than random name amazon products.


This is the box that the SUNRICH batteries shipped in.


The model number is SE-B100. They tried to cover up the RICH SOLAR label on the box.


I couldn't pull off the label covering the RICH SOLAR label, but It was slightly transparent, so I was able to take a picture and enhance it.

It reads:


RICH SOLAR

Lithium Iron Battery

Model No: SE-B100

Nominal Voltage: 12.8V

Nominal Capacity: 100Ah(1280Wh)

Carton Number: 50/50

Made In China


Even before opening this box, I'm much more confident about my purchase and the performance and quality I should expect from these batteries.


  • $296 - REDODO 12V 100Ah LiFePO4 Battery with Self Heating, Supports Low Temperature Charging Lithium Battery, Group 31 Battery with 100A BMS

    • This battery has reviews and teardowns online. Quality looks good and positive opinion of the batteries.

    • Redodo 12.8V 100Ah LiFePO4 battery heater is equipped with dual heating pads with a combined power of 100W, which delivers a significant boost in heating capability. It only takes 30mins heating the battery cells from 14℉ to 41℉, 2X faster heating speed compared to others which needs 60mins due to only 50W heating power. Stay always prepared for low temp conditions and experience the convenience of a rapid and reliable heating solution.

    • 【Support Low Temp Cut Off】Redodo 12.8V 100Ah LiFePO4 battery self heating supports low temperature cut off, where the battery will stop charging when the battery cells' temperature falls below 32℉ and resumes charging when the temperature rises above 41℉. Apart from that, it can also stop discharging when the temperature drops below -4℉. Choose Redodo 100Ah battery with low temp cut off protecion for peace of mind, regardless of the damage of your batteries in freezing conditions.



  • $399 - EPOCH 12V 105Ah - Group 24 - Heated & Bluetooth LiFePO4 Battery

    • These are high-quality, very well-made batteries.

  • $499 - 12V 100Ah Marine Battery - Lithium Trolling Motor Battery




Affiliate Disclaimer

The products shown here were purchased by me with the intent to use them. I did not receive any free items, and I am not being paid or compensated for this review. The video, description, and comments may contain affiliate links. If you click on a link, I may receive a commission. Money earned helps to support my channel and bring you more informative videos about engineering, crafting, and DIY

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