Dual Charging Ports, Wide Compatibility——Equipped with a USB-C port (100W, 5-20V/3-5A), this power inverter not only charges compatible with DeWalt 18V/20V series batteries but also powers devices such as smartphones, tablets, laptops, and gaming consoles with up to 100W of fast charging, offering versatile charging options. An additional USB-A socket 12W (5V 2.4A) can also charge electronic devices, but cannot reverse charge the battery. Smart LED Display, Real-Time Monitoring——The built-in LCD screen displays the battery’s remaining power, charging status, fast charging indication (green light), discharging status (yellow light), and fault warnings (red light), giving you easy access to essential information for efficient and convenient charging. Fast and Efficient Charging, Time-Saving——With a 100W power output, the battery adapter delivers fast charging speeds. For example, charging a 20V 2.0AH battery using a 100W (20V 5A) charging cable takes only about 20 minutes, saving you time and boosting productivity. For optimal performance, we recommend using an adapter with a rating of 30W or higher. Multiple Safety Protections for Worry-Free Charging——Featuring a smart chip with multiple safety protections against short circuit, over-current, over-voltage, low voltage, overload, and over-temperature, ensuring the safety of both your devices and batteries, preventing damage from abnormal conditions. 300LM LED Light with Three Adjustable Brightness Levels——Includes a high-brightness LED light (300LM) with three adjustable brightness settings, perfect for illuminating your charging area. Ideal for emergency lighting, outdoor work, camping, or other situations where reliable lighting is needed. portable usb battery adapter power inverter charger plug with light & type c compatible for 20v batteries tools