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<blockquote data-quote="vanhack" data-source="post: 1864800" data-attributes="member: 64035"><p>To the original post author, I am very interested in your Renogy 50amp installation, are you able to get stable 50amps from the start battery, which is ofcourse fed by the alternator. I just installed a 50amp DCDC renogy, same as yours into a gen 3 with 2 X 100ah Lifepo4 in parrallel again renogy. I have the ignition sense wire connected to the engine bay fuse box, and confirm a 12V+ signal when ignition on and engine on for 5 minutes or more, but we thought that tap accessory was switching off. I have the bluetooth transmitter hooked up, and I can get stale 20amps, but from the renogy DC home app, I can change the amps of the charger in steps of 10, so 10, 20, 30, 40, and 50 and anything above 20amps setting, the amps fluctuate, so I cam curios if you are getting the full 50amps all the time, ofcourse they will taper as the battery nears full capacity, which is what the DCDC charger is supposed to do, but my batteries were at very low, both around 20% and the amps were fluctuating. </p><p></p><p>How have your connected the ground on the renogy charger, is it to body ground near the start battery, or on the start battery negative post, have you done anything to the ford battery management systems, ie. configured it off, or disconnected the sensor. </p><p></p><p>Thus far I notice that the alternator is fluctuateing voltage, almost 0.8V at times, and when renogy charger is configured via bluetooth to charge at higher than 20amps, the amps fluctuate, I am testing this with a clamp style ammeter on the postive wire used to connect to the renogy charger, I do get too 50amps, but only for 1-2 seconds, then it drops to 0 for 5-8seconds and then again climbs rapidly too 50 for 1-2 secs at 50amps, but then drops again. Not consistent 50amps, like I have seen in other's trucks.</p></blockquote><p></p>
[QUOTE="vanhack, post: 1864800, member: 64035"] To the original post author, I am very interested in your Renogy 50amp installation, are you able to get stable 50amps from the start battery, which is ofcourse fed by the alternator. I just installed a 50amp DCDC renogy, same as yours into a gen 3 with 2 X 100ah Lifepo4 in parrallel again renogy. I have the ignition sense wire connected to the engine bay fuse box, and confirm a 12V+ signal when ignition on and engine on for 5 minutes or more, but we thought that tap accessory was switching off. I have the bluetooth transmitter hooked up, and I can get stale 20amps, but from the renogy DC home app, I can change the amps of the charger in steps of 10, so 10, 20, 30, 40, and 50 and anything above 20amps setting, the amps fluctuate, so I cam curios if you are getting the full 50amps all the time, ofcourse they will taper as the battery nears full capacity, which is what the DCDC charger is supposed to do, but my batteries were at very low, both around 20% and the amps were fluctuating. How have your connected the ground on the renogy charger, is it to body ground near the start battery, or on the start battery negative post, have you done anything to the ford battery management systems, ie. configured it off, or disconnected the sensor. Thus far I notice that the alternator is fluctuateing voltage, almost 0.8V at times, and when renogy charger is configured via bluetooth to charge at higher than 20amps, the amps fluctuate, I am testing this with a clamp style ammeter on the postive wire used to connect to the renogy charger, I do get too 50amps, but only for 1-2 seconds, then it drops to 0 for 5-8seconds and then again climbs rapidly too 50 for 1-2 secs at 50amps, but then drops again. Not consistent 50amps, like I have seen in other's trucks. [/QUOTE]
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