BlueSolar PWM-Pro 20A
Solar charge controller
The BlueSolar PWM-Pro from Victron Energy is an advanced and fully programmable solution designed for professional photovoltaic systems. The device offers the highest precision in energy management in 12V and 24V installations, giving users full control over operational parameters.
The three-stage charging characteristic can be freely configured using a computer or dedicated panel, which in combination with an optional temperature sensor provides unparalleled care for battery condition.
Thanks to the extensive monitoring functions of the charging state and a complete set of electronic protection features, the PWM-Pro model forms the foundation of reliable power systems in even the most demanding applications.
Key Features
Discover the advantages that make the difference
Robust Construction
The BlueSolar PWM construction is based on the highest quality components, which guarantee multi-year, trouble-free operation even in difficult operating conditions.
Intuitive Operation
The installation process is quick and hassle-free, and the clear LED indicators allow for immediate assessment of the charging status and overall system condition.
Intelligent Protection
The applied algorithms actively manage energy, protecting batteries from overcharging, deep discharge and connection errors.
Why choose BlueSolar PWM-Pro?
BlueSolar PWM-Pro is the ideal choice for demanding users who require a fully programmable controller with professional charging characteristics and advanced system monitoring functions.
Victron Energy BlueSolar PWM-Pro
Charge solar energy intelligently thanks to engineering at the highest level
Efficient PWM charging
PWM technology precisely regulates the energy delivered to the battery by rapidly and cyclically switching the power source.
- Constant switching frequency of the signal
- Variable pulse width of voltage
- Stabilization of parameters delivered to the load

Full programming freedom
The BlueSolar PWM-Pro series is ready to operate with factory settings, but also allows for complete customisation of parameters to specific requirements.
- Set-up using a computer and free software
- Operation via a dedicated BlueSolar Pro external panel
- Possibility of precise adjustment of charging algorithms

Additional features
The BlueSolar PWM-Pro regulator offers a range of advanced control and protection functions that provide full control over the charging process and ensure safety of the entire system.
- Fully programmable lighting control function
- Three-stage charging (bulk, absorption, float) with programming option
- Integrated battery monitor (requires optional remote panel)
- Load output with low voltage disconnect and manual control
- Optional external temperature sensor
- Load output protected against overcurrent and short circuit
- Protection against reverse connection of solar panels or battery

Remote panel for BlueSolar PWM-Pro
Optional external display allows full configuration and precise monitoring of the battery charging state. Simply connect it to the controller using a dedicated cable to access advanced system data and settings from any convenient location.
Check it out!