I'm running this in my Prius with no balancing.
http://www.batteryspace.com/lifepo4-...assed-dgr.aspx
There are coupon codes for 5% off to basically give you free shipping. Run 2 in parallel if you need more capacity. The code I found is
E7SEA
Quote:
Originally Posted by oil pan 4
It's actually 20°F. You don't want to charge LiFePO4 batteries when their below 20°F. Freeze they should be fine.
My LiFePO4 batteries have lasted so long because they are not in the engine compartment.
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Everything I've read says not to charge below freezing. I replaced the Prius battery with a LiFePO4. The stock battery compartment is inside the cabin, so that helps it to stay warm, or cool depending on the weather. With our 26 degree days, I'm guessing the battery is getting near freezing. No issues in the past 2 years.