The BlueSolar PWM Charge Controller LCD & USB 48-20 is designed for higher-power 48V solar systems, delivering up to 20A charging current. It combines advanced battery management, LCD monitoring, and USB power outputs in a robust enclosure.
Key Features
- 48V battery system support
- 20A PWM charging current
- Integrated LCD display
- Dual 5V USB outputs (2A total)
- Programmable charging for multiple battery types
- Advanced load and overload protection
- Common positive grounding
Technical Specifications
| Parameter | Specification |
|---|---|
| Battery Voltage | 48 V |
| Rated Charge Current | 20 A |
| Maximum Solar Voltage | 100 V |
| Self-Consumption | < 10 mA |
| Grounding | Common positive |
| Operating Temperature | -35 °C to +60 °C |
Mechanical
| Item | Specification |
|---|---|
| Terminal Size | 16 mm² / AWG6 |
| Weight | 0.3 kg |
| Dimensions | 101 × 84 × 47 mm |
| Protection Class | IP20 |
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Please note that the image is for illustrative purposes only and may not represent the actual specifications and differ slightly in appearance.
Important:
All solar products, power systems, water heating and gas products and their components must be installed by appropriately qualified personnel. All installations must adhere to local wiring regulations and standards. Sustainable Online will not be held liable for any product malfunctions as a result of incorrectly installed systems.

