The Indipro D-Tap Power Cable to Dual-sided NP-F550 Dummy Battery w/ Type C Output is designed for use with Atomos, SMALLHD and other similar NP-F devices from an external power source. When relaxed, the cable is 12" long and stretches to 24" long when you need the additional length. The dual NP-F battery interface delivers a robust 8V, 8A output, while the Type-C USB port outputs PD 5-12V, maxing out at 36W. Enhanced with overload protection, this solution offers you peace of mind you've come to expect from our commitment to safety and reliability.