ACOPOWER HY-PLK-100WPX20A Manual - Page 11
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Print Page2.2 CHARGING STAGE-
The unit has a 6-stage charging algorithm.
Diagnose* - Soft Charge – Bulk Charge - Absorption charge – Equalizing Charge* - Float Mode
Diagnose *
– Only for Lithium battery type, subjected to the Lithium battery initial voltage then determinegoing to
Soft start or Bulk charge; if the Lithium battery is protected by BMS, the controller will automatically send the sign
al periodically to the battery terminal to activate the BMS against protection.
Soft start
- When batteries suffer an over-discharge, the controller will softly ramp the battery voltage upto 10V for
12V battery, 20V for 24V battery.
Bulk Charge
- Maximum current charging until batteries rise to Absorption level.
For Lead crystal battery type, the charge controller will deliver two step level of Bulk charge, when the first
level rises the battery voltage up to14.4V, then switch into the second level of the 50% of the first bulk charge
rate, until the Lead crystal battery voltage up to 14.7V.
Absorption
- Constant voltage charging and battery is over 85% for lead acid battery; a Li-ion battery, LiFePO4
battery and LTO battery will close fully charging after absorption stage, the absorption voltage level will reach 12.6V
for Li-ion battery, 14.4V for LiFePO4 battery; 14.0V for LTO battery. 14.7V for Lead crystal battery.
Equalization *
- Only for WET battery or Calcium battery type, when the battery is deeply drained below 10V or
every 28 days cycle, it will automatically run this stage to bring the internal cells as an equal state and fully comp
lement the loss of capacity. (Lead crystal, Li-ion, LiFePO4, LTO, Gel and AGM battery do not run Equalization ch
arge)
Float Charge or Re-Bulk charge
acid battery (Crystal, GEL, AGM, WET battery) has a voltage of more than 13.8 Volts;if the lead acid battery volta
ge drops to 12.8V at float mode, it will return to Bulk charge; Li-ion,LiFePO4 and LTO battery have no float mode;
If a Li-ion battery voltage drops to 12.0V after absorption stage, it willreturn to Bulk charge; if a LIFePO4 battery
voltage drops to 13.4V, or LTO battery voltage drops to 13.2V after Absorption stage, they will return to Bulk
charge. (voltage x 2 for 24V use)
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HY-PLK-100WPX20A
- Battery is fully charged and maintained at a safe level.A fully charged Lead
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