- VERSATILE INPUT VOLTAGE: The solar junction box controller operates within a wide input voltage range of 7 to 28V, making it ideal for solar energy systems. Its robust DC interface includes reverse polarity protection, ensuring a safe and stable power supply for your devices. - MULTI-VOLTAGE FAST CHARGING: Equipped with three output voltage options (5V, 9V, and 12V), this junction box supports fast charging for various electronic devices. With conversion efficiencies ranging from 82% to 88%, it optimizes energy use during the charging process. - COMPACT DESIGN: Measuring just 80mm x 40mm x 16mm, the solar junction box controller is designed to be compact and easily integrated into different devices. It saves space while delivering efficient performance. - BROAD PROTOCOL COMPATIBILITY: This solar junction box controller is compatible with multiple fast charging protocols, ensuring smooth operation with a variety of devices for effective solar charging. Use scenarios: - Connect it to your solar panel setup to power your outdoor electronics, such as portable chargers or lights, while enjoying the benefits of renewable energy. - Utilize the fast charging capabilities to quickly charge smartphones, tablets, or small appliances during camping trips or off-grid adventures. - Integrate it into your home solar energy system to efficiently manage power supply to various devices, enhancing energy utilization.