![]() High, this design is very good for the battery, because the internal temperature of the battery has a great influence on the charge and discharge. When it falls to the “maintenance voltage” point, it enters the floating charge state, when the battery voltage is low, it will be charged a little. Floating charge control point voltage: Generally, after the equal charge is completed, its terminal voltage naturally falls. Therefore, the street light controller generally does not have an equal charge, only two stages.ģ. A small system with a two-cell battery doesn’t make much sense to use the equal charge. The charging time should not be too long, usually from a few minutes to ten minutes. To pull these individual molecules back and make all the battery terminal voltages have equal consistency, it is necessary to match the high voltage with a moderate current to recharge the battery for a short while, so it called equalization charging also called balanced charging. Why design an equal charge? That because after the fast charge, there may be some batteries that are “backward” (the terminal voltage is relatively low) to the battery bank. When it falls to the “recovery voltage” value, it will enter the equal charge state. Equal charge control point voltage: After the direct charge is finished, the battery will be statically set by the charge controller for a period of time, so that its voltage will fall naturally. When charging, the battery terminal voltage cannot be higher than this protection point, otherwise, it will cause overcharge and damage to the battery. The direct charge protection point voltage is also the “overcharge protection point” voltage. When the battery terminal voltage is higher than these protection values during charging, the direct charge should be stopped. The point is the value in the above table. However, there is a control point, also called a protection point. Generally, the battery is charged with high current and relatively high voltage when the battery voltage is low. Direct charge protection point voltage: Direct charge is also called rapid charge. Solar Panel Charge Controller Factors Solar Panel Charge Controller Enters Charging Protection Mode to stop the chargingġ. Let’s understand each of the scenarios one by one. Solar Charge Controller not Charging Battery Factors Checklistīroadly, there are 4 factors you’d need to consider. too high or too low both affect the charging.
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