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electrical:converter [2019/01/25 21:03] frater_secessus a.k.a. converter/charger |
electrical:converter [2019/01/25 21:14] frater_secessus [charging the house battery] |
OEM converters are notoriously cheap and dumb (lacking [[electrical:12v:charging|smart charging]] functions). Since they are stuck at one voltage the manufacturer picks a compromise setpoint. If this is set too high or too low //for your usage patterns// it can damage lead-acid batteries ([[electrical:batterycide|batterycide]]). | OEM converters are notoriously cheap and dumb (lacking [[electrical:12v:charging|smart charging]] functions). Since they are stuck at one voltage the manufacturer picks a compromise setpoint. If this is set too high or too low //for your usage patterns// it can damage lead-acid batteries ([[electrical:batterycide|batterycide]]). |
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This compromise setpoint should coincide with standard float voltages for your battery bank. Typically this would be 13.2v - 13.4v for converters that are always on the grid, and 13.8v for batteries that are cycled but get put back on grid charging regularly. | This compromise setpoint should coincide with standard float voltage (Vfloat) for your battery bank. Typically this would be 13.2v - 13.4v for converters that are always on the grid, and 13.8v for batteries that are cycled but get put back on grid charging regularly.((Solar charging at a single setpoint, as with a [[electrical:solar:charge_controller&#shunt|shunt controller]], is done at [[electrical:solar:shunt_tweaking|Vabs rather than Vfloat]].)) |
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