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Quick Details

is_customized: Yes
Application: Charger Controller
Maximum Current: 20A
Model Number: 20I-ST
Rated Voltage: 12V 24V
Unit Type: lot (10 pieces/lot)
Package Size: 12cm x 15cm x 5cm (4.72in x 5.91in x 1.97in)
Package Weight: 2.0kg (4.41lb.)

Specifications

10pcs/Lots 20A 12V 24V auto 20I Solar Charge Controller Regulator Light and Timer control for solar pv system lead-acid battery

3 control modes to choose:

1.Charge Only

2.Light Control

3.Light and 15hours timer control(Settable)


Package including:

1.10PCS 20A Solar Contorller
2.10PCS User Manual

Protection:
Overcharging protection
Can be used for all panels
Overdischarging protection
Short and Open Circuit protection
Full specification available if required
Fail Safe and cannot be damaged by accidental wiring mistakes
Advanced design with simple plug and play technology. No need for complicated adjustments
Full LED status indication: State of Charge(SOC) Red-Flat Battery: Amber-Low charge: Green- good charge: Green Flashing- Full Charge

Features:
Microcontroller digital accuracy
PWM charge mode & State of Charge(SOC)
Fully automatic operation & Electronic protections
Detects day and night using the PV array, timer setting
Double digital LED display, numbers equal to timer setting
Temperature compensation, with inside temperature sensor
Big terminals, big distance between terminals

Rating:
20I: 12 Volt or 12/24 Volt auto work, 20 Amps (for PV and load)
Equalisation voltage: 14.8Volt
High voltage disconnect(HVD): 14.4Volt
Float voltage: 13.6Volt
Low voltage disconnect(LVD) 11.1Volt
Low voltage reconnect(LVR): 12.6Volt
Self-consumption: 6mA maximum
Temperature compensation: -30mV/C/12V
Terminals: for wire sizes to 6mm2
Temperature: -35C to +55C

LED indicator:
Solar Panel LED:
Green ON when solar is charging Battery.
Green blink when the syetem over voltage
Battery LED:
Green ON when battery level in the right range
Green Slowly flashing when battery level full
Yellow ON when battery level low
RED ON when loads cut off.
LOAD LED:
RED ON when the output is on
RED slowly flashing when it`s over load
(the load amps is 1.24 times of rated current for 60 seconds,or the load amps is 1.5 times of rated current for 5 seconds.)
RED blink when the load is short -circuit.

This controller has Light and Timer control Function
Light control:When daylight starts to occur then the light source goes off. Meanwhile the Solar Panels will charge the batteries. when there is no sunlight the garden light will switch on.
Time control:There is an eight hours time control,that means it will go off when the Lights automatically switch off after 0-15 hours.

Lighting control Option
1.Press the power switch for 5 seconds and select the desired LIGHTING CONTROL option.The LED is on,which confirmed you have selected the right one.
2.The controller requires 10 munites of countinuous transiton values before it starts to work.These constraints avoid false transitions due to lighting or dark storm clouds.
3.10 minutes off before the controller start to work
4.A brief description follows belows:

Number 0: Dusk-to-Dawn,light is on all night
Number 1: Light is turn on after sundown for 1 hour.
Number 2: Light is turn on after sundown for 2 hour.
Number 3: Light is turn on after sundown for 3 hour.
Number 4: Light is turn on after sundown for 4 hour.
Number 5: Light is turn on after sundown for 5 hour.
Number 6: Light is turn on after sundown for 6 hour.
Number 7: Light is turn on after sundown for 7 hour.
Number 8: Light is turn on after sundown for 8 hour.
Number 9: Light is turn on after sundown for 9 hour.
Number 0: Light is turn on after sundown for 10 hour.
Number 1.: Light is turn on after sundown for 11 hour.
Number 2.: Light is turn on after sundown for 12 hour.
Number 3.: Light is turn on after sundown for 13 hour.
Number 4.: Light is turn on after sundown for 14 hour.
Number 5.: Light is turn on after sundown for 15 hour.
Number 6.: Lights remain turn off ,ON/OFF mode
Number 7.: Test Mode,lights on after it dects no light,lights off after it defects light