Victron
Victron BlueSolar PWM DUO 12/24V 20A LCD & USB
Pickup available at Mercury Yacht Harbour
Usually ready in 2-4 days
Description
The Victron BlueSolar PWM DUO LCD and USB charge controller 12/24V-20A is a PWM solar controller with two separate battery outputs, making it ideal for charging both a starter battery and a service battery on a boat or motorhome from a single solar array. System voltage is detected automatically, a backlit LCD shows status and settings, and two 5V USB ports (2A combined) are built in for charging phones and small devices.
A programmable three-stage charge algorithm supports AGM, GEL, flooded lead-acid and LiFePO4 batteries (with internal BMS), and a remote temperature sensor is included for accurate temperature-compensated charging. The controller is protected against reverse polarity and over-temperature, and the load path includes an automatic low-voltage disconnect.
PRODUCT DETAILS
- PWM controller with two separate battery outputs (starter and service)
- Rated charge current 20A; maximum solar voltage 28V/55V
- Backlit LCD display for status and setup
- Two 5V USB outputs (2A combined) for charging devices
- Programmable for AGM, GEL, flooded and LiFePO4 batteries
- Remote battery temperature sensor included
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Key specifications
| Technology | PWM (pulse width modulation) |
| Battery voltage | 12/24V with automatic system voltage detection |
| Maximum solar voltage | 28 V (12V) / 55 V (24V) |
| Rated charge current | 20 A |
| Second battery output | Yes |
Charging
| Charge voltage 'absorption' | 14.4 V / 28.8 V |
| Charge voltage 'float' | 13.7 V / 27.4 V |
| Charge algorithm | Programmable (AGM, GEL, flooded lead-acid, LiFePO4 with internal BMS) |
| Temperature compensation | -30 mV/°C (12V), -60 mV/°C (24V) |
| Self-consumption | 10 mA |
| Load output | Two 5V USB ports (2A combined) |
| Automatic load disconnect | 10.5 V / 21 V |
| Battery temperature sensor | Yes, remote sensor included |
Protection
| Protection | Battery reverse polarity (fuse), over temperature |
Environmental
| Operating temperature | -35 to +55°C (full load) |
| Humidity | Max 95%, non-condensing |
Physical
| Grounding | Common negative |
| Power terminals | 16 mm² / AWG6 |
| Protection category | IP20 |
| Weight | 0.3 kg |
| Dimensions (h x w x d) | 101.5 x 184.0 x 47.1 mm |
Conformance
| Safety | IEC 62109-1 |
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