6
Soft Charge- When batteries suffer an over-discharge, the controller will softly ramps
the battery voltage up to 10V for 12V battery, 20V for 24V battery.
Bulk Charge-Maximum current charging until batteries rise to Absorption level
Absorption Charge-Constant voltage charging and battery is over 85%.
Equalization Charge*-Only for WET battery or Calcium battery type, when the battery
is deeply drained below 10V (for 12V battery), it will automatically run this
stage to bring the internal cells as an equal states and fully complement
the loss of capacity. (LiFePO4, LTO, Gel and AGM battery do not run
Equalization charge)
Float Charge-Battery is fully charged and maintained at a safe level.
A fully charged Lead acid battery (GEL, AGM, Calcium battery) has a
voltage of more than 13.6 Volts (for 12V battery), 27.0Volt (for 24V
battery)A fully charged LiFePO4 or LTO battery has a 13.4Volt (for 12V
battery); 26.8Volt (for 24V battery) voltage level.
The 6 LED’s indicate the
charging status and the
battery condition
Red Blue Green Green Yellow Red
Solar Power Present-No
battery connected
ON
OFF OFF OFF OFF
Flash
Soft charging
ON Flash
OFF OFF OFF
ON
Bulk charging
ON ON
OFF Subject to battery voltage
Absorption charging
ON ON
OFF
ON
OFF OFF
Equalization charging
ON ON
OFF
ON
OFF OFF
Float charging
ON
OFF
ON
OFF OFF OFF
Solar panel weak
Flash
OFF OFF Subject to battery voltage
At night no charge
OFF OFF OFF Subject to battery voltage
Battery Voltage below 11.5V
(+/-0.2V)
ON ON
OFF OFF OFF
ON
Battery Voltage between
11.5V - 12.5V(+/-0.2V)
ON ON
OFF OFF
ON
OFF
Battery Voltage above 12.5V
(+/-0.2V)
ON ON
OFF
ON
OFF OFF
Remarks: Double voltage setting for 24V battery.
OPERATION - L.E.D. INDICATION
ABNORMAL OPERATION MODE
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