Just testing a w1209 circuit board that will be used to turn on the RV plumbing elbow heaters to protect the 300Ah Lifepo4 battery from low temperature charging which could damage it.
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Lifepo4 low temp heater triggering circuit

Added to Camper shell — 1 year ago

Just testing a w1209 circuit board that will be used to turn on the RV plumbing elbow heaters to protect the 300Ah Lifepo4 battery from low temperature charging which could damage it.