Victron Bluesolar PWM Duo Charge Controller 12/24v 20A LCD Screen and 2 USB Ports


20A Duo PWM Charge Controller with Liquid Crystal Display, 2 x 5 Volt USB outputs fully programmable, easy to use and superior quality with temperature sensor

Out of stock

EAN: 8719076046219 SKU: 1166 Category:

BlueSolar PWM-LCD & USB 

  • Liquid Crystal Display
  • Two 5 Volt USB outputs
  • Lighting control function, fully programmable
  • Three stage battery charging (bulk, absorption, float), fully programmable
  • Load output with low voltage and manual disconnect (programmable)
  • Load output protected against over load and short circuit
  • Protected against reverse polarity connection of the solar panels and/or battery
  • Charges two separate batteries
  • Programmable charge current ratio
  • External Temperature sensor

Technical Specification

  • BlueSolar PWM-DUO LCD-USB 12/24-20
  • Battery Voltage 12/24 V with automatic system voltage detection [for LiFePO4 no automatic system voltage detection]
  • Rated charge current 20A
  • Second battery output Yes
  • Load output 2 USB ports 5V/2A
  • Automatic load disconnect 10.5V/21V
  • Maximum solar voltage 28V / 55V (1)
  • Self-consumption 10 mA
  • Protections Battery reverse polarity (fuse) Over temperature
  • Grounding Common negative
  • Operating temp. range -35 to +55°C (full load)
  • Humidity (non-condensing) Max 95%

Default Settings

  • Charge voltage ‘absorption’ (2) 14.4V / 28,8V
  • Charge voltage ‘float’ (2) 13.7V / 27,4V
  • Battery temperature sensor Yes, remote sensor [included]
  • Temperature compensation -30mV/ºC / -60mV/ºC


  • Protection class IP20
  • Terminal size 16 mm² / AWG6
  • Weight 0,3kg
  • Dimensions (h x w x d) 101.5 x 184.0 x 47.1 mm


  • Safety IEC 62109-1
  • EMC EN 61000-6-1, EN 61000-6-3, ISO 7637-2

1) For 12V use 36 cell solar panels, For 24V use 72 cell solar panel or 2x 36 cell in series
2) See manual for alternative voltage settings

Data Sheet


Weight0.3 kg

Victron Energy


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