Comments continuing discussion may be removed. A 100 W solar panel charging a nominally 12 V battery will deliver roughly 8.5 A, at most. At the end of the charging, this charging current will drop to about 7.5 A, at most. The solar panel will only deliver these currents under ideal circumstances under full sun.
At the end of the charging, this charging current will drop to about 7.5 A, at most. The solar panel will only deliver these currents under ideal circumstances under full sun. If the battery is lead-acid, a good (but conservative) value for the charging current you want is 0.3 × capacity = 0.3 × 18 = 5.4 A.
You need around 600-900 watts of solar panels to charge most of the 24V lithium (LiFePO4) batteries from 100% depth of discharge in 6 peak sun hours with an MPPT charge controller. Full article: What Size Solar Panel To Charge 24v Battery? What Size Solar Panel To Charge 48V Battery?
You need around 1600-2000 watts of solar panels to charge most of the 48V lithium batteries from 100% depth of discharge in 6 peak sun hours with an MPPT charge controller. What Size Solar Panel To Charge 120Ah Battery?
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A 100 W solar panel charging a nominally 12 V battery will deliver roughly 8.5 A, at most. At the end of the charging, this charging current will drop to about 7.5 A, at most. The …
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