Get yours today!
In the last 7 days
Delivery timeframe shown above at checkout
Unlimited lifetime support, always available.

The Outback Power SPARE-203 is an essential Power Module designed for Radian Series inverters, specifically tailored for models like GS7048E and GS3548E. This module facilitates reliable energy management by allowing seamless connection to both the battery and the PCBA Module. Its pre-assembled nature ensures a straightforward drop-in replacement, minimizing downtime and enhancing operational efficiency.
The Outback Power SPARE-203 ensures dependable connections between the battery and the PCBA Module. This reliability is crucial for optimal inverter performance, enabling consistent power delivery and stability in your energy system.
This Power Module is designed for simple installation. Its pre-assembled components allow for a drop-in replacement that saves time and effort, thereby streamlining the maintenance process for users and technicians alike.
Equipped with premium materials, the SPARE-203 enhances the overall performance of the Radian inverter. It plays a crucial role in voltage regulation and energy conversion, ensuring high efficiency and effective energy management.
The Outback Power SPARE-203 features a robust design that withstands various environmental conditions, making it a reliable choice for outdoor or off-grid applications.
With its straightforward installation process and design, maintenance becomes a hassle-free experience. Users can easily replace the Power Module without extensive technical knowledge, ensuring system longevity and reliability.
The SPARE-203 Power Module operates as the core connection point between the battery and the PCBA Module in Radian inverters. This critical connection ensures effective power transfer and enables the inverter to manage electrical loads with precision.
The Power Module features connection points for transformer wiring and fan connections. These components work together to maintain the optimal functioning of the inverter, ensuring efficient power generation and delivery.
With integrated transformers, the SPARE-203 is capable of stepping down or stepping up voltages according to the system requirements. This integration guarantees that power is effectively harnessed for user needs.
Equipped with safety features, this Power Module ensures that operations are conducted without risk of overload or overheating, making it a safe choice for energy management systems.
| Specification Title | Specification Value |
| Model Number | SPARE-203 |
| Compatibility | GS7048E, GS3548E |
| Voltage Rating | 48 V |
| Current Capability | Design specifics vary by use |
| Warranty | 1 Year Limited Warranty |
| Weight | Varies by configuration |
| Dimensions | 28 x 12 x 5 inches |
| Installation | Drop-in Replacement |
| Manufacturer | Outback Power Technologies |
| Important Notes | Ensure firmware update is performed |
From hurricanes to blackouts, reliable solar power ensures you're able to keep your home & family safe no matter what comes your way.
Making one-click solar solutions simple since 2018. Whether you’re powering a cabin, charging devices, or backing up your home.
Say goodbye to reliance on the energy companies. Enjoy the same freedom that 50,000+ customers have with their own solar power system.
$150 Value - Free Offer (Limited Time Only!) No Strings Attached. Totally Free. Takes Less than 2 Minutes.