I’ve recently setup a 48v battery with a Victron 100 | 20 MPPT, pulling in up to 1500w of solar at around 80v from the roof. From what I’ve read about the load output (not battery) is that it can put out 48v always on - if I attached a 120mm 48v 0.12a fan to it just to run while the system is going that wouldn’t cause any problems would it? I realize the port is normally used for a relay switch or other monitoring equipment which is why I figured I should ask.
The output is used to power up to 1A loads at 48V from the battery, PV or a combination. Not to be confused with a relay, which the 100/20 does not have. Your small fan should be fine.
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