The GreenCell SY03 battery is a reliable power source specifically designed for Sony VAIO notebooks, particularly for the models VGN-FW PCG-31311M and VGN-FW21E. With a capacity of 4400 mAh and a voltage of 11.1 volts, this lithium-ion battery provides optimal performance for daily use. The 6-cell construction ensures a long lifespan and stable power supply, allowing users to efficiently use their devices without worrying about frequent recharging. The battery is designed in a compact format that seamlessly integrates into the notebook's design. Its compatibility with the original parts VGP-BPS13 and VGP-BPS21 makes it an ideal choice for anyone looking for a high-quality replacement solution.

• High capacity of 4400 mAh for longer uninterrupted use
• Compatible with multiple Sony VAIO models, including VGN-FW PCG-31311M and VGN-FW21E
• Lithium-ion technology for improved performance and lifespan
• Easy installation and seamless integration into the notebook design.