There are others that do not have low temp functionality on the low price end such as Amperetime. I bought them and learned this after installation. Luckily my Solar Controller monitors batt temp and shuts down charging at 32°.The point is OP, is that lithium batts require more thought than lead acid or AGM.
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Gayle and John Devall
2017 Legacy 3720 IS and Disc brakes
1120 watts solar panels and 300 AH lithium batteries
2011 Ford f350 srw long box Lariat with B&W Patriot hitch. Residential Fridge.
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