The OEM "Mark" PV Controller.
Quote:
Originally Posted by DrAudio
I have a 2008 2619 with both the WFCO 3 Stage Charger and factory option Mark PV Controller (solar).
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The now-discontinued "Mark 15" and "Mark 22" controllers are 1-stage chargers: ON or OFF, with only one setpoint for Battery Charging Voltage. It will not charge until the batteries are below 13.0 volts, and it will not stop until the batteries have reached 13.6 - 15.2V. (Adjustable, but the default is 14.4 - too high!). Dumb as a brick, but smaller. 
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TM='06 2619 w/5K axle, 15" Maxxis "E" tires. Plumbing protector. 630 watts solar. 450AH LiFePO4 batteries, 3500 watt inverter. CR-1110 E-F/S fridge (compressor).
TV = 2007 4runner sport, with a 36 volt "power boost".
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