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Figure 1.1: Battery Type Setting via DIP switch
CHARGING STAGES
Soft Charge (Level 1) – When batteries suffer an over-discharge, the controller will softly
ramp the battery voltage up to 10V.
Bulk Charge (Level 2) – Maximum current charging until batteries rise to Absorption level.
Absorption Charge (Level 3) – Constant voltage charging.
Equalization Charge* (Level 4) – Only for WET battery or Calcium battery type, when the
battery is deeply drained below 10V, it will automatically run this stage to bring the internal cells
as an equal states and fully complement the loss of capacity.(Gel and AGM battery do not run
Equalization charge).
Float Charge (Level 5) –
Battery is fully charged and
maintained at a safe level.
A fully charged battery
has a voltage of more
than 13.6 Volts.
LED OPERATION
The 3 LED's indicate the charging
status and Fault connection
Solar Power Present –
No battery connected
Battery reversed
Solar panel reversed
Soft start charging
Bulk, Absorption
Equalisation charging
Float charging
Solar panel weak
At night no charge
Slow flash = 1 Hz flash, Fast flash = 3 Hz flash
4
Level 3
Level 2
Level 1
Fault
Red
ON
ON
OFF
OFF
OFF
OFF
Slow Flash
OFF
Level 4*
Charge
Blue
Slow Flash
Slow Flash
Fast Flash
Fast Flash
OFF
Slow Flash
ON
OFF
OFF
OFF
Level 5
Full
Green
OFF
OFF
OFF
ON
OFF
OFF
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