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I-Panda Off grid 12v/24v/36v/48v dc solar charger controller 20A
- Model：eSmart3 series
- System Voltage: DC12V/24V/36V/48V Automatic Recognition
- Rated Current: 20A
- Maximum PV(voc) Voltage: 100V
Off grid 12v/24v/36v/48v dc solar charger controller 20A
eSmart3 series is the third generation of eSmart mppt controller, combined with the second generation of high conversion efficiency, back-light LCD display, control mode, connect way, internal structure etc. features, also optimized the following points:
1.Increase all kinds of protection function to be used more reassuring.
2.Add the LOAD sampling to be used more clear of output load.
3.Wider PV Input voltage than eSmart2, so it suitable for more kinds of PV modules
4. Reduce the static standby self-consumption, energy saving and more simply for small system.
Choose eSmart3, more intelligent in life!
1.It has an efficient MPPT algorithm, MPPT efficiency ≥99.5%，and converter efficiency up to 98%.
2.Charge mode: three stages (constant current, constant voltage, floating charge), it prolongs service life of the batteries.
3.Four types of load mode selection: ON/OFF, PV voltage control, Dual Time control, PV+Time control .
4.Battery system voltage automatic recognition.
5.Three kinds of commonly used lead-acid battery (Seal\Gel\Flooded) parameter settings fcan be selected by the user, and the user can also customize the parameters for other battery charging.
6.It has a current limiting charging function. When the power of PV is too large, the controller automatically keeps the charging power, and the charging current will not exceed the rated value.
7.High definition LCD display function to check the device running data and working status, also can support modify the controller display parameter.
8.RS485 communication, we can offer communication protocol to convenient user’s integrated management and secondary development.
9.Support PC software monitoring and WiFi module to realize APP cloud monitoring.
10.CE, RoHS, FCC certifications approved, we can assist clients to pass various certifications.
11.3 years warranty, and 3~10 years extended warranty service also can be provided.
MPPT Controller connection diagram
Parameters Display & Setting information
LCD display information
Set the battery type and LOAD control mode
Upper Computer Software & Test Software
MPPT (maximum power point tracking)
Intelligent fan cooling
Max.PV input voltage(VOC)
Start the charge voltage point
Battery voltage + 3V
Low input voltage protection point
Battery voltage + 2V
Over voltage protection point
Rated PV power
Selectable Battery Types
Sealed lead acid, Gel battery, Flooded (Other types of the batteries also can be defined)
(Default Gel battery)
Charge rated current
3-Stage: constant current(fast charging)-constant voltage-floating charge
The same as the battery voltage
Load rated current
Load control mode
On\Off mode, PV voltage control mode,Dual-time control mode, PV + Time control mode
Display & Communication
High-definition LCD segment code backlight display
8-pin RJ45 port/RS485/support PC software monitoring/support WiFi module to realize APP cloud monitoring
Input-output over \ under voltage protection, Prevention of connection reverse protection,battery shedding protection etc.
Max. connection size
Net Weight (kg)
Gross Weight (kg)
2. We can customize 72V / 96V and other unconventional MPPT controller to special customers, provide OEM and ODM services.