VSAU Series
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ViewStar AU series

The VS-AU controller is a PWM charge controller with built in LCD display that adopts the most advanced digital technique. 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:

● 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
● Double USB design, the power supply charge for electronic equipment
● With humanized button settings, operation will be more comfortable and convenient
● Multiple load control modes
● Energy statistics function
● Battery temperature compensation function
● Extensive Electronic protection

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Electronic protections:

● PV reverse polarity protection
● Battery over voltage protection
● Battery over discharge protection
● Battery reverse polarity protection
● Battery overheating protection
● Load overload protection
● Load short circuit protection
● Controller overheating protection

Technical Specifications

Model

VS1024AU

VS2024AU

VS3024AU

Nominal system voltage

12/24V auto work

Rated  charge current 

10A

20A

30A

Rated  discharge 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

≤9.2mA(12V); ≤12.6mA(24V)

Temperature compensation coefficient

-3mV/℃/2V

Grounding

Common positive

Overall dimension

142x85x41.5mm

160x94.9x49.3mm

181x100.9x59.8mm

Terminals 

12AWG(4mm2)

8AWG(10mm2)

6AWG(16mm2)

Net weight

0.22kg

0.35kg

0.56kg

Enclosure

IP30

Working environment temperature 

-20℃~+55℃

Relative humidity 

≤95% (N.C.)

* Technical data for 12V system at 25℃, twice in 24V system rate.




Product Certification