Victron BlueSolar PWM DUO-LCD&USB 12/24V-20A

Product Features:

• Liquid Crystal Display (LCD)
  Easy-to-read interface for real-time status monitoring and setup.
• External Temperature Sensor (Included)
  Ensures accurate temperature-compensated charging.
• Dual Battery Outputs
  Charges two separate batteries simultaneously—ideal for vehicles, boats, or mobile homes.
• Built-In Protections
  Safeguards against reverse polarity on both solar panel and battery connections.
• Programmable Battery Charging Algorithm
  Supports AGM, GEL, Flooded lead-acid, and LiFePO₄ batteries with internal BMS.
• Dual USB Outputs (5V)
  Two USB ports with a combined maximum output of 2A for charging small devices.
  

Specifications:

• Battery Voltage: 12/24 V (automatic detection; not available for LiFePO₄)
  
• Rated Charge Current: 20 A
  
• Second Battery Output: Yes
  
• Load Output: Yes
  
• USB Ports: 2 × 5V / 2A (combined)
  
• Automatic Load Disconnect: 10.5V (12V) / 21V (24V)
  
• Maximum Solar Voltage: 28V (12V system) / 55V (24V system)
  
• Self-Consumption: 10 mA
  
• Protections: Battery reverse polarity (fuse), Over-temperature
  
• Grounding: Common negative
  
• Operating Temperature Range: -35°C to +55°C (full load)
  
• Humidity (non-condensing): Max 95%
  
• Charge Voltage 'Absorption': 14.4V / 28.8V
  
• Charge Voltage 'Float': 13.7V / 27.4V
  
• Battery Temperature Sensor: Yes, remote sensor included
  
• Temperature Compensation: -30mV/°C (12V) / -60mV/°C (24V)
  
• Protection Class: IP20
  
• Terminal Size: 16 mm² / AWG6
  
• Weight: 0.3 kg
  
• Dimensions (H × W × D): 101.5 × 184.0 × 47.1 mm (4.0 × 7.4 × 1.8 in)
  
• Safety Standard: IEC 62109-1
  
• EMC Standards: EN 61000-6-1, EN 61000-6-3, ISO 7637-2
  
• Note: For 12V use 36-cell solar panels. For 24V use 72-cell panels or 2×36-cell panels in series. See manual for alternative voltage settings.

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