Description
Victron BlueSolar PWM Light 20A Charge Controller | Boat Supply Store
For vessels requiring dependable solar power management, this Victron charge controller ensures efficient battery upkeep. It features a 3-stage charging process (bulk, absorption, float) and a 20A maximum charge current suitable for 12/24V systems. The integrated low voltage disconnect protects batteries from over-discharge, crucial for maintaining power integrity on extended voyages in the Gulf Coast or during overnight anchoring.
Key Features
- Load output with low battery voltage disconnect safeguards your battery health.
- Integrated lighting control function offers a convenient timer for onboard illumination.
- Two digit seven segment display provides clear, straightforward status indication.
- Three stage battery charging (bulk, absorption, float) optimizes charge cycles.
- Load output protected against overload and short circuit for enhanced durability.
- Reverse polarity protection shields both solar array and battery connections.
- Auto-detect 12/24V system voltage for versatile application.
- Victron Energy reliability ensures robust and long-lasting performance.
Specifications
| Product Specifications | |
|---|---|
| Brand | Victron Energy |
| Model | BlueSolar PWM-Light |
| System Voltage | 12/24V Auto |
| Max Charge Current | 20A |
| Charging Stages | Bulk, Absorption, Float |
| Load Output | Yes |
| Low Voltage Disconnect | Yes |
| Lighting Timer | Yes |
| Display | Two digit seven segment display |
| Protection | Reverse polarity, Overload, Short circuit |
| MPN | SCC010020020 |
Who This Is For
Boat owners and RV enthusiasts seeking a cost-effective and dependable solution for small to medium-sized solar arrays on 12V or 24V battery systems. It is also ideal for off-grid users and DIYers prioritizing essential battery management features at an accessible price point.
How It Compares
| Feature | Victron BlueSolar PWM Light 20A Charge Controller | Renogy Wanderer 10A PWM |
|---|---|---|
| Max Charge Current | 20A | 10A |
| Charging Technology | PWM | PWM |
| System Voltage | 12/24V Auto | 12/24V Auto |
| Load Output with LVD | Yes | Yes |
| Display | Two digit seven segment display | LED indicators |
Common Concerns Answered
Is PWM technology efficient enough for my needs?
PWM technology is a cost-effective solution for smaller solar arrays where maximum efficiency is not the primary driver. For basic charging needs, it performs reliably, though MPPT controllers offer higher efficiency by optimizing panel voltage.
Will the basic display provide enough system information?
The two-digit seven-segment display offers essential status indicators, which are sufficient for basic monitoring. For detailed real-time data, an external monitoring system or a controller with an advanced LCD display would be necessary.
What if I need advanced features like battery equalization?
This model is designed for essential battery management. If advanced features like battery equalization or temperature compensation are critical for your specific battery chemistry or system requirements, a more advanced controller would be recommended.
Frequently Asked Questions
What is the maximum solar panel wattage this controller can handle?
The maximum solar panel wattage depends on the specific voltage of your array and the controller's 20A charge current limit. For a 12V system, this typically translates to around 240W (20A * 12V), and for a 24V system, approximately 480W (20A * 24V). Always consult the manual for precise calculations based on your panel specifications.
Can this charge controller be used with lithium batteries?
While this controller offers basic 3-stage charging, it is primarily designed for lead-acid battery chemistries. Lithium batteries often require specific charging algorithms, including temperature compensation and different voltage setpoints. It is crucial to verify compatibility with your specific lithium battery management system (BMS) or consult Victron's documentation for lithium battery support.
What is the difference between PWM and MPPT charge controllers?
PWM (Pulse Width Modulation) controllers connect the solar panel directly to the battery, adjusting the power by switching the connection on and off rapidly. MPPT (Maximum Power Point Tracking) controllers actively track the panel's maximum power output voltage and adjust it to efficiently charge the battery, typically yielding 10-30% more energy, especially in variable light conditions.
How do I set the lighting timer on this controller?
The lighting timer is typically set using the buttons on the controller to cycle through display options and adjust the timer duration. Specific instructions for setting the timer, including the available duration intervals, can be found in the product manual linked in the specifications.
What does the low battery voltage disconnect function do?
The low battery voltage disconnect (LVD) function automatically disconnects the loads from the battery when the battery voltage drops to a predefined low level. This prevents deep discharge, which can permanently damage lead-acid batteries and significantly shorten their lifespan.
