JY-eSMART-20A

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Introduction

This e-SMART MPPT (maximum Power Point Tracking) solar charge controller is a smart solar controller with automatic recognition function, smart charging and discharging function, three stages charging function to protect battery. It can increase 30%~60% efficiency than traditional PWM controller. It supports many kinds of batteries.It also have RS232 communication function.

Features:

1. MPPT charging mode, peak efficiency up to 99%, saving 30%~60% solar panel than traditional PWM controller.

2. DC12V/24V/48V battery system automatic recognition, users can use it in different system conveniently.

3. Maximum PV input voltage up to DC100V.

4. Three stages charge: fast charge(MPPT), constant voltage charge,floating charge, It can protect batteries well .

5. Three option of discharge: on mode and off mode and PV voltage(solar) control mode.

6. Users can choose 4 kinds of commonly standard batteries(Sealed lead acid, Vented, Gel, NiCd). Other kinds of batteries can be defined by users.

7. Digital tube can display battery voltage and charging current. The software can display various parameters such as model number, PV input voltage, battery type, battery voltage, charging current, charging power, working condition.

8. RS232 communication, we can offer communication protocol also, it’s convenient for user’s integration management.

9. This controller can be paralleled infinitely.

10. CE and RoHS Certifications are approved.We can help clients to approve other certifications.

Parameters:

MPPT solar controller modes： J-Y-eSMART-12V/24V/48V-series		15A	20A	25A		30A	40A
Charge mode	MPPT(maximum power point tracking)
Charge method	Three stages: constant current(MPPT),constant voltage,floating charge
System type	DC12V/24V/48V	Automatic recognition
System voltage	12V system	DC9V~DC15V
	24V system	DC18V~DC30V
	48V system	DC36V~DC60V
Soft start time	12V/24V/48Vsystem	≤3S
Dynamic response recoverytime	12V/24V/48Vsystem	500us
MPPT efficiency	12V/24V/48Vsystem	≥96.5%,≤99%
INPUT CHARACTERISTICS
MPPT working voltage range	12V system	DC14V~DC100V
	24V system	DC30~DC100V
	48V system	DC60~DC100V
Low input voltage protection point	12V system	DC14V
	24V system	DC30V
	48V system	DC60V
Low input voltage Recovery point	12V system	DC18V
	24V system	DC34V
	48V system	DC65V
High input voltage protection point	12V/24V/48Vsystem	DC110
High input voltage recovery point	12V/24V/48Vsystem	DC100V
Maximum PV power	12V system (W)	213	284	355		426	568
	24V system (W)	426	568	710		852	1136
	48V system (W)	852	1136	1420		1704	2272
CHARGE CHRECTRESTICS
Selectable Battery Types (Default Gel battery)	12V/24V/48Vsystem	Sealed lead acid, Vented, Gel, NiCd battery (Other types of the batteries also can be defined)）
Constant Voltage	12V/24V/48Vsystem	Please check the charge voltage according to the battery type form.
Floating Charge Voltage	12V/24V/48Vsystem
Rated Input Current	12V/24V/48Vsystem	15A	20A	25A		30A	40A
Current-limit Protection	12V/24V/48Vsystem	20A	25A	30A		35A	45A
Temperature Factor	12V/24V/48Vsystem	±0.02%/℃
Temperature Compensation	12V/24V/48Vsystem	14.2V-(The highest temperature-25℃)*0.3
Output Ripples(peak)	12V/24V/48Vsystem	200mV
Output Voltage Stability Precision	12V/24V/48Vsystem	≤±1.5%
Output Discharge Characteristics
Output voltage		Base on battery voltage
Low voltage output Protection point		Default 10.5V; Recovery 11V; It can be adjustable.
Rated output Current		30A
The output control		On mode, Off mode, PV voltage control mode
Output control set mode		Controller button or PC software
Display
LED digital tube display		Battery voltage, Charge current
LED light display		Charging indicator light, LOAD indicator light
PC（communication port）		RS232
Protection
Low input voltage protection		Check the input characteristics
High input voltage protection		Check the input characteristics
Charge overpower protection		yes
Discharge low voltage protection		yes
Discharge high current protection		yes
Temperature protection		yes
Other Parameters
Noise		≤40dB
Thermal heat-dissipating method		Itself cooling			Fan cooling
Components		Imported material With EU standards.
Certification		CE\FCC\RoHS
Physical
Measurement D x W x H(mm)		20516860
package size D x W x H(mm)		265196110
N.G(KG)		1.8kg
G.N(KG)		2kg
Mechanical Protection		IP25
Environment
Humidity		0~90%RH ( no condense)
Altitude		0~3000m
Operating Temperature		-20℃ ~ +50℃
Storage Temperature		-40℃ ~ +75℃
Atmospheric Pressure		70~106kPa

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