Charge Controller PWM

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VS48AU Solar Charge Controller**

The VS-AU controller is a common positive PWM charge controller with built in LCD display and USB port.The multiple load control modes enable it can be widely used on solar home system, traffic signal, solar street light, solar garden lamp, etc.

Features
Electronic protections
Specifcations

~ PWM charging

~ Battery type selectable: Sealed, Gel, and Flooded

~ Informative black light LCD display

~ Double USB design, Max. output 2.4A

~ Multiple load control modes

~ Energy statistics function

~ Full power working at temperature range from -25 to 55 ℃

~ Adopt high quality， high reliability components of ST,IR and Infineon

~ UL and VDE certified Nickel plated copper terminals, to ensure safe and solid connection

~ Battery temperature compensation function

~ PV reverse polarity protection

~ Battery reverse polarity protection

~ Battery over voltage protection

~ Battery over discharge protection

~ Battery overheating protection

~ Controller overheating protection

~ Load short circuit protection

~ Load overload protection

Download Specification

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~ PWM charging

~ Battery type selectable: Sealed, Gel, and Flooded

~ Informative black light LCD display

~ Double USB design, Max. output 2.4A

~ Multiple load control modes

~ Energy statistics function

~ Full power working at temperature range from -25 to 55 ℃

~ Adopt high quality， high reliability components of ST,IR and Infineon

~ UL and VDE certified Nickel plated copper terminals, to ensure safe and solid connection

~ Battery temperature compensation function

~ Extensive Electronic protection

~ PV reverse polarity protection

~ Battery reverse polarity protection

~ Battery over voltage protection

~ Battery over discharge protection

~ Battery overheating protection

~ Controller overheating protection

~ Load short circuit protection

~ Load overload protection

Download Specification

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VS24A Solar Charge Controller**

ViewStar A series is common positive PWM charge controller with LCD display. It adopts the most advanced digital technique. The multiple load control modes enable it can be widely used in solar home system, traffic signal, solar street light, solar garden lamp, etc

Features
Electronic protections
Specifcations

~ 3-Stage intelligent PWM charging：Bulk, Boost/Equalize, Float

~ Support 3 charging options: Sealed, Gel, and Flooded

~ LCD display design, dynamically displaying device’s operating data and working condition

~ Multiple load control modes

~ Energy statistics function

~ Battery temperature compensation function

~ Extensive Electronic protection

~ PV short circuit protection

~ PV reverse polarity protection

~ Battery over voltage protection

~ Battery over discharge protection

~ Battery reverse polarity protection

~ Load overload protection

~ Load short circuit protection

~ Battery overheating protection

~ Controller overheating protection

Model	VS1024A	VS2024A	VS3024A
Nominal system voltage	12V/24V auto work
Rated battery current	10A	20A	30A
Rated load current	10A	20A	30A
Battery input voltage range	9~32V
Max. PV open circuit voltage	50V
Equalize charging voltage	Sealed: 14.6V, Flooded: 14.8V
Boost charging voltage	Gel: 14.2V, Sealed: 14.4V, Flooded: 14.6V
Float charging voltage	13.8V
Low voltage reconnect voltage	12.6V
Low voltage disconnect voltage	11.1V
Self-consumption	≤8.1mA(12V);≤6.5mA(24V)
Grounding	Common positive
Temp. compensation	-3mV/℃/2V
LCD temperature	-20℃ ~ +55℃
Working temperature	-25℃ ~ +55℃
Humidity	≤95% N.C.
Enclosure	IP30
Overall dimension	132x84.6 x39.7mm	149x94.1x46.1mm	177.5x106.6x46.2mm
Terminals	4mm²	16mm²	16mm²
Net weight	0.18kg	0.26kg	0.33kg

Download Specification

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VS48BN Solar Charge Controller**

ViewStar series solar controller is our new generation controller for off-grid solar system, such as street light, solar home system or small power station etc.

Features
Electronic protections
Specifcations

~ Excellent EMC design

~ 32 bit MCU with high speed

~ High efficient Series PWM charging

~ Four battery type options: Sealed, Gel, Flooded, and USER

~ Intelligent lighting and timer control for solar lighting system

~ 12 bit A/D high-precision sampling to ensure accuracy

~ Use MOSFET as electronic switch

~ Full control parameters setting and modification, diversified load control mode

~ Humanized design of browser interface, undertake every operating conveniently

~ Temperature compensation

~ Adopt graphics dot-matrix LCD screen and HMI (human-machine interface) with 4 buttons,integrated menu displaying and operation

~ Energy statistics function

~ RS485 ports with MODBUS communication protocol

~ Optional PC monitoring software and remote meter for real-time monitoring and battery management parameter setting

~ Field upgradable firmware

~ PV short circuit protection

~ PV reverse polarity protection

~ Battery overcharge protection

~ Battery over discharge protection

~ Load overload protection

~ Load short circuit protection

~ Battery reverse polarity protection

~ Overheating protection

Model	VS2048BN	VS3048BN	VS4548BN	VS6048BN
Nominal system voltage	12/24/36/48V auto work
Rated battery current	20A	30A	45A	60A
Rated load current	20A	30A	45A	60A
Max. battery voltage	64V
Equalize charging voltage	Sealed: 14.6V, Flooded: 14.8V, User-defined: 9~17V
Boost charging voltage	Gel: 14.2V, Sealed: 14.4V, Flooded: 14.6V, User-defined: 9~17V
Float charging voltage	Gel /Sealed /Flooded: 13.8V, User-defined: 9~17V
Low voltage reconnect voltage	Gel /Sealed /Flooded: 12.6V, User-defined: 9~17V
Low voltage disconnect voltage	Gel /Sealed /Flooded: 11.1V, User-defined: 9~17V
Self-consumption	≤15mA(12V); ≤10mA(24V); ≤9mA(36V); ≤8mA(48V)
Grounding	Common negative
Temp. compensation	-3mV/℃/2V
Relative humidity	10%~90% Non-condensation
Communication	RS485 / RJ45 interface
LCD temperature	-20℃ ~ +70℃
Working temperature	-25℃ ~ +55℃
Humidity	≤95% N.C.
Enclosure	IP30
Overall dimension	200x103x58mm	201x109x59mm	205x119x67mm	205x174x64mm
Terminals	16mm²	35mm²	35mm²	35mm²
Net weight	0.7kg	0.9kg	1.2kg	1.5kg

Download Specification

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VS24BN Solar Charge Controller**

ViewStar series solar controller is our new generation controller for off-grid solar system, such as street light, solar home system or small power station etc.

Features
Electronic protections
Specifcations

~ Excellent EMC design

~ 32 bit MCU with high speed

~ High efficient Series PWM charging

~ Four battery type options: Sealed, Gel, Flooded, and USER

~ Intelligent lighting and timer control for solar lighting system

~ 12 bit A/D high-precision sampling to ensure accuracy

~ Use MOSFET as electronic switch

~ Full control parameters setting and modification, diversified load control mode

~ Humanized design of browser interface, undertake every operating conveniently

~ Temperature compensation

~ Adopt graphics dot-matrix LCD screen and HMI (human-machine interface) with 4 buttons,integrated menu displaying and operation

~ Energy statistics function

~ RS485 ports with MODBUS communication protocol

~ Optional PC monitoring software and remote meter for real-time monitoring and battery management parameter setting

~ Field upgradable firmware

~ PV short circuit protection

~ PV reverse polarity protection

~ Battery overcharge protection

~ Battery over discharge protection

~ Load overload protection

~ Load short circuit protection

~ Battery reverse polarity protection

~ Overheating protection

Model	VS1024BN	VS2024BN	VS3024BN	VS4524BN	VS6024BN
Nominal system voltage	12V/24V auto work
Rated battery current	10A	20A	30A	45A	60A
Rated load current	10A	20A	30A	45A	60A
Max. battery voltage	32V
Equalize charging voltage	Sealed: 14.6V, Flooded: 14.8V, User-defined: 9~17V
Boost charging voltage	Gel: 14.2V, Sealed: 14.4V, Flooded: 14.6V, User-defined: 9~17V
Float charging voltage	Gel /Sealed /Flooded: 13.8V, User-defined: 9~17V
Low voltage reconnect voltage	Gel /Sealed /Flooded: 12.6V, User-defined: 9~17V
Low voltage disconnect voltage	Gel /Sealed /Flooded: 11.1V, User-defined: 9~17V
Self-consumption	≤15mA(12V); ≤10mA(24V); ≤9mA(36V); ≤8mA(48V)
Grounding	Common negative
Temp. compensation	-3mV/℃/2V
Relative humidity	10%~90% Non-condensation
Communication	RS485 / RJ45 interface
LCD temperature	-20℃ ~ +70℃
Working temperature	-25℃ ~ +55℃
Humidity	≤95% N.C.
Enclosure	IP30
Overall dimension	162x85x40mm	162x100x50mm	200x103x58mm	201x109x59mm	205x129x67mm
Terminals	4mm²	10mm²	16mm²	35mm²	35mm²
Net weight	0.2kg	0.4kg	0.7kg	0.9kg	1.3kg

Download Specification

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LS0512EU / LS1012EU / LS1024EU / LS2024EU / LS3024EU

LS-EU economic solar controller is new member of LandStar family and ideal for small solar system especially home system. Based on the LS-E series, LS-EU series add a +5V/1.2A USB terminal output which can charge mobile phone, fans and other electronic device.

Features
Electronic protections
Specifcations

~ High efficient Series PWM charging, increase battery lifetime and improve solar system performance

~ Use MOSFET as electronic switch, without any mechanical switch

~ Intuitive LED indicators showing battery voltage status

~ Gel, Sealed, and Flooded battery type optional

~ Manual control the output of the load

~ Temperature compensation, correct charging and discharging parameters automatically

~ Humanized Key, more comfortable and convenient

~ Industrial grade design

~ Load overload protection

~ Load short circuit protection

~ Battery over discharge protection

~ Battery reverse polarity protection

Model	LS0512EU	LS1012EU	LS1024EU	LS2024EU		LS3024EU
Nominal system voltage	12V		12/24V auto
Rated charge current	5A	10A	10A	20A		30A
Rated discharge current	5A	10A	10A	20A		30A
Battery input voltage range	8~16V		8~32V
Max. PV open circuit voltage	30V		50V
Equalize charging voltage	Gel: ----, Sealed: 14.6V, Flooded: 14.8V
Boost charging voltage	Gel: 14.2V, Sealed: 14.4V, Flooded: 14.6V
Float charging voltage	Gel / Sealed / Flooded:13.8V
Low voltage reconnect voltage	Gel / Sealed / Flooded:12.6V
Low voltage disconnect voltage	Gel / Sealed / Flooded:11.1V
USB output port	5VDC/1.2A					5VDC/2A
Charge circuit voltage drop	≤0.13V
Discharge circuit voltage drop	≤0.17V
Self-consumption	≤5mA(12V); ≤7mA (24V)
Temp. compensation	-5mV/℃/2V
Enclosure	IP20
Grounding	Common Positive
Overall dimension(mm)	109.7x65.5x20.8	120.3x67x21.8	120.3x67x21.8	148x85.6x34.8	148x106.8x43.7
Mounting dimension	100.9mm	111.5mm	111.5mm	138mm	138mm
Mounting hole size	Φ4.5	Φ4.5	Φ4.5	Φ4.5	Φ4.5
Terminals	14AWG /2.5mm²	12AWG /4mm²	12AWG /4mm²	10AWG /6mm²	8AWG /10mm²
Net weight	0.09kg	0.10kg	0.10kg	0.18kg	0.29kg
Working temperature	-35℃～+55℃
Humidity	≤95% N.C.

Download Specification

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LS0512E / LS1012E / LS1024E / LS2024E

LS-E economic solar controller is new member of LandStar family and ideal for small solar system especially home system. It has the beautiful appearance, and simple operation. And the industrial grade design ensures its reliability.

Features
Electronic protections
Specifcations

~ High efficient Series PWM charging, increase battery lifetime and improve solar system performance

~ Use MOSFET as electronic switch, without any mechanical switch

~ Intuitive LED indicators showing battery voltage status

~ Gel, Sealed, and Flooded battery type optional

~ Manual control the output of the load

~ Temperature compensation, correct charging and discharging parameters automatically

~ Humanized Key, more comfortable and convenient

~ Industrial grade design

~ Load overload protection

~ Load short circuit protection

~ Battery over discharge protection

~ Battery reverse polarity protection

Model	LS0512E	LS1012E	LS1024E	LS2024E
Nominal system voltage	12VDC		12/24VDC
Rated battery current	5A	10A	10A	20A
Max. battery voltage	16V		32V
Max. PV open circuit voltage	30V		50V
Equalize charging voltage	Gel: ----, Sealed: 14.6V, Flooded: 14.8V
Boost charging voltage	Gel: 14.2V, Sealed: 14.4V, Flooded: 14.6V
Float charging voltage	Gel / Sealed / Flooded:13.8V
Low voltage reconnect voltage	Gel / Sealed / Flooded:12.6V
Low voltage disconnect voltage	Gel / Sealed / Flooded:11.1V
Charge circuit voltage drop	≤0.26V
Discharge circuit voltage drop	≤0.15V
Self-consumption	≤6mA
Temp. compensation	-5mV/℃/2V (ref)
Overall dimension(mm)	92.8x65x20.2	101.2x67x21.8	101.2x67x21.8	128x85.6x34.8
Mounting dimension	84.4mm	92.7mm	92.7mm	118mm
Mounting hole size	Φ4.5	Φ4.5	Φ4.5	Φ4.5
Terminal	2.5mm²	4mm²	4mm²	6mm²
Weight	74g	82.5g	82g	151.6g
Working temperature	-35℃～+55℃
Storage temperature	-35℃～+80℃
Humidity	≤95% N.C.
Enclosure	IP30

Download Specification