Robert-Bosch-Straße 11, 85748 Garching, Deutschland
+49 89 89 545 770

VS AU Serie


The VS series is a generation of charge controllers for off-grid solar systems, such as street lighting, solar home systems or small power plants, etc. It combines an LCD display, reliable battery charging, fully electronic protection, and programmable parameters as well as other features and powerful function.

Advantages at a glance

  • Intelligent 3-stage PWM charge detection: Bulk, Boost / Equalize, Float
  • 3 supported battery options: Sealed, Gel, and Flooded
  • LCD display
  • Several types of load control
  • Battery temperature compensation
  • Comprehensive electronic protective equipment

Available in:

  • 30/45/60 A for 12/24/36 / 48V system voltage
  • 10/20/30/45/60 A for 12 / 24V system voltage


  • Keeps the battery fully charged
  • Can be used for acid, AGM, gel
  • Polarity reversal protection for battery and solar panel
  • External battery temperature sensor can be connected
  • Prevents damage to the battery
  • Automatic shutdown if the charging current exceeds the capacity of the controller
  • Timer function option for night lighting
  • LCD display
  • PWM – Modulation
  • 2 USB ports


  • Solar lighting system
  • Solar- Home System
  • Solar monitoring
  • Caravan and Boats
  • Solar road traffic signals
  • Solar power plant

Technical specifications

PWM charge controller 10/20/30/45/60 A

  • 12-24V system voltage
  • Open circuit voltage up to 50V
  • Positive grounding

PWM charge controller 30/45/60 A

  • 12/24/36/48V system voltage
  • Open circuit voltage up to 96V
  • Positive grounding