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ensure the battery to maintain in full-energy state. In this stage, load can get nearly all of the solar
power. But if the load exceeds the electricity that solar energy system can provide, the controller will
not be able to keep the battery voltage matched with the floating charge voltage. When the battery
voltage reduces to “improving back charge voltage”, the controller system will exit the floating
charge stage and back to the quick charge stage (MPPT charge).
D. Equalizing charge
Benefit from Equalizing charge, some types of battery can stir electrolyte to balance the battery
voltage and complete the chemical reaction. By Equalizing charge, the battery voltage can be
increased to higher than the standard voltage, which can make the electrolyte gasified. Once there is
a battery discharge, the controller will conduct a balanced charge.
Warning:
1. Equalization charge can increase the battery voltage to the level that may damage sensitive dc load.
Need to verify whether the permission input voltage of the load system is greater than the battery
Equalizing charge voltage or not.
2. Over-charge and too much gas evolution may damage the battery plate, and lead to the falling of
active material on the battery plate. Too high or too long Equalizing charge may cause damage to the
battery. Please check the specific requirements of the battery used in the system carefully.
3. Introduction of Display Function
A. Surface Introduction
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