Combination Suggestion: In order to better charge your battery and improve charging efficiency; We recommend using this NP-F charger with SmallRig 145W GaN charger (ASIN: B0DBLKY1ZS). High-Efficiency 100W Fast Charging: The SmallRig 4-Channel Camera Battery Charger supports an impressive 100W PD fast charging, allowing you to charge up to 4 NP-F batteries simultaneously. With a PD 100W fast charger, you can have 4 full charged batteries(10500 mAh) in just 5 hours, and 4 full charged batteries(7800 mAh) in just 4 hours. NOTE: To ensure this charger works properly, it is recommended to use a fast charger that supports at least 80W for charging. If you want to fast charge 4 batteries at full power, we recommend using a 100W fast charger. Wide Compatibility with NP-F Series Batteries: This charger is compatible with various battery types, including for Sony NP-F970, NP-F550, NP-F570 and NP-F750, offering seamless integration into different camera setups and photography equipment. Comprehensive Safety Protection: Each charging port of this battery charger is equipped with built-in short-circuit and overcurrent protection, ensuring that your batteries and devices are charged safely and reliably. Smart OLED Display: With built-in OLED display, this charger provides real-time updates on the charging status of each battery and the USB-C input power. The screen allows for easy monitoring, ensuring that you know exactly when your batteries are fully charged and ready for use. Portable and Lightweight Design: Compact and portable, the charger is perfect for travel or location-based shooting. Its lightweight design makes it easy to pack into your gear bag, allowing you to take it anywhere you need.