Feature: 1. PERFECT REPLACEMENT: D tap to F550 dummy battery has the same effect as the original NP F series battery, it is an excellent replacement for NP F970 NP F750 NP F570 NP F550 battery, which can provide you with continuous power supply for long time shooting. 2. WIDELY APPLICABLE: Suitable for devices compatible with NP F series batteries, such as cameras for DCRVX2100 HDRFX1, monitor cameras such as for Feelword for Atomos V Monitor, LED lights and so on. Extend your shooting time by connecting to an external power source with this dummy battery, outdoor and indoor shooting without stress. 3. SAFETY PROTECTION CIRCUIT: Built in over voltage, over current and short circuit protection circuits, you can rest assured that your equipment is safer. 4. HIGH CONVERSION EFFICIENCY: This NP F500 dummy battery has high conversion efficiency but low heat generation and high power, even if you take any continuous shots while shooting you will not lose power. 5. SPRING POWER CABLE: This dummy battery comes with a 37‑100cm power cable, which can meet the needs of most devices, more convenient to use. Specification: Item Type: D Tap to NP F550 Dummy Battery Material: ABS Weight: Approx. 63g / 2.2oz Output: 7.4V 3A Input: 11-16.8V Power: 24W (Maximum) Cable length: 37-100cm / 14.6-39.4in (Manual Measurement Allows Error). Package List: 1 x D Tap to NP F550 Dummy Battery