The Büttner Elektronik SC330 is a high-quality MPPT solar panel controller

which is designed specifically for the needs of tourist vehicles.

It enables up to 25% better efficiency compared to traditional PWM controllers.

Features:

• Maximum power: 330 Wp
• Nominal voltage: 12 V
• Maximum charging current: 20 A
• Dimensions (L x W x H): 170 x 88 x 48 mm
• Weight: 0.32 kg
• Operating temperature: -40°C – +85°C
• Maximum standby current consumption: ≤ 2 mA
• Internal fuse: 30 A
• Operating environment temperature: -20 °C - 50 °C
• Humidity: ≤ 90% non-condensing
• Frequency band (Wi-Fi): 2.4 GHz ISM band (2400...2484 MHz)
• RF output power: 4 dBm (Bluetooth V5.0 Single Mode LE)

Additional features:

• Battery type selection: Suitable for various batteries such as liquid, gel, AGM and LiFePO4.
• Two solar panel inputs: Allows connection of various panels, such as Black Line and Power Line.
• Bluetooth connection: Allows you to use a mobile app to control the controller.
• Charging output for starter battery: Also keeps the vehicle's starter battery charged.
• Included temperature sensor: Enables temperature-compensated charging for all battery types.

The SC330 controller is equipped with surge protection, a filter for the vehicle's electrical system, and an additional charging output for the starter battery.
In addition, it has a battery activation program for long-term charging.

Please note that the SC330 is designed for 12 V systems and a maximum solar panel power of 330 Wp.
If your system power exceeds this, you may want to consider a more powerful controller, such as the SC480 model.