Offgridtec® MPPT Pro Duo charge controller 30A 12V 24V for two battery circuits

The Offgridtec MPPT Pro-Duo (MPN 1-01-011200) is an innovative high-end solar controller that was primarily designed for use in mobile applications. A wide range of different board battery types can be charged via the primary charging output (BATT-1). The battery spectrum ranges from AGM, GEL, and liquid lead acid to state-of-the-art LiFePO4 and Li-NiCoMn battery systems. The secondary battery charging output (BATT-2) is designed for a starter battery that is at the same voltage level as BATT-1. The device automatically detects the system voltage of the starter battery (BATT-2) and charging of BATT-2 begins as soon as the preset conditions are met.

The controller uses the advanced MPPT control algorithm, which minimizes the maximum loss rate and loss time of the power point, quickly tracks the maximum power point (MPP) of the PV generator, and processes the maximum energy from the PV generator under all conditions. Energy utilization in a PV system with MPPT controller is increased by 20 to 30% compared to the PWM charging method.

Features Highlights of the MPPT Pro DUO 30 A

• Maximum power point tracking technology with ultra-fast tracking speed and a tracking efficiency of at least 99.5%.
• Advanced MPPT control algorithm to minimize MPP loss rate and minimize time loss.
• Higher MPP operating voltage range to improve PV module utilization.
• Option for users to limit the charging power or automatic charging current (BATT-1).
• Digital circuit control of the adaptive three-stage charging mode to improve BATT-1 service life.
• The product is put into energy-saving mode if no manual entries have been made for a long time and the charging conditions are not met (PV<5v).
• 100% charging and discharging within the operating temperature range.
• AES control signal for car refrigerator to avoid energy waste.
• Standard Modbus protocol and RS485 communication port (5V/200mA)

Key technical features at a glance

• Maximum charging current: 30A at a battery voltage of 12V or 24V.
• Optional remote display with mounting frame available.
• Supports all major battery types.
• Active temperature compensation for optimal charging and ensuring a long battery life.
• Max. solar power 390W at 12V system voltage and 780W at 24V system voltage
• 100V max. PV input voltage
• Grounding: Negative
• Dimensions: 24.7 cm x 16.5 cm x 6.9 cm (LxWxH)
• Connection terminals Battery 1: 16 mm² (AWG6) / Battery 2: 4 mm² (AWG12)
• Weight: 1.4 kg
• Mounting hole diameter: 5 mm
• Power consumption: 26mA at 12V / 15mA at 24V
• Max. efficiency: 98%

Intelligent energy saver

If no manual operation takes place for a longer period of time and the charging conditions are not met, the MPPT-Pro Duo switches to energy-saving mode, reducing the device's energy consumption to a minimum. This also reduces wear and tear on the device, which is reflected in a significantly longer service life. The system parameters are displayed and set directly via the intuitive control panel on the controller or via the MT11 remote control (accessory).

System communication and protective functions

The AES control signal of the refrigerator is built into the controller, which supplies excess solar power to the refrigerator to avoid wasting energy. The MPPT Duo has an IP33 protection rating. It is splash-proof and dust-tight. Our MPPT Pro DUO has several protection functions, including battery overcharge protection, discharge protection, and PV and battery reverse polarity protection, which effectively ensure the safety, stability, and service life of the solar system.

Scope of delivery:

1x Offgridtec 1-01-011200 MPPT DUO charge controller
1x Operating instructions